diff --git a/skills/partiful-events/SKILL.md b/skills/partiful-events/SKILL.md
index 65fc9fe..3196f95 100644
--- a/skills/partiful-events/SKILL.md
+++ b/skills/partiful-events/SKILL.md
@@ -1,6 +1,6 @@
 ---
 name: partiful-events
-description: Manage Partiful events — list, create, update, cancel, clone
+description: Manage Partiful events — list, create, update, cancel, clone, set posters/images
 ---
 
 # Partiful CLI — Events
@@ -10,14 +10,14 @@ description: Manage Partiful events — list, create, update, cancel, clone
 ### List Events
 ```bash
 partiful events list
-partiful events list --status upcoming --format table
-partiful events list --status past --limit 5
+partiful events list --past
+partiful events list --past --include-cancelled
 ```
 
 ### Get Event Details
 ```bash
 partiful events get <event-id>
-partiful events get <event-id> --format json
+partiful events get <event-id> --format table
 ```
 
 ### Create Event
@@ -26,11 +26,31 @@ partiful events create --title "Game Night" --date "2026-04-01T19:00" --location
 partiful events create --title "Birthday" --date "2026-05-15T20:00" --description "Bring snacks" --dry-run
 ```
 
+| Flag | Description |
+|------|-------------|
+| `--title <title>` | Event title (required) |
+| `--date <date>` | Start date/time (required) |
+| `--end-date <date>` | End date/time |
+| `--location <name>` | Location name |
+| `--address <addr>` | Street address |
+| `--description <text>` | Event description |
+| `--capacity <n>` | Guest limit |
+| `--private` | Make event private |
+| `--timezone <tz>` | Timezone (default: `America/Los_Angeles`) |
+| `--theme <theme>` | Color theme (default: `oxblood`) |
+| `--effect <effect>` | Visual effect (default: `sunbeams`) |
+| `--poster <id>` | Built-in poster ID (see `posters search`) |
+| `--poster-search <query>` | Fuzzy-search poster catalog, use best match |
+| `--image <path\|url>` | Upload a custom image (local file or URL) |
+
 ### Update Event
 ```bash
 partiful events update <event-id> --title "New Title"
 partiful events update <event-id> --date "2026-04-02T19:00" --location "New Venue"
+partiful events update <event-id> --poster "piscesairbrush.png"
+partiful events update <event-id> --image ./new-flyer.png
 ```
+Accepts all the same flags as `create`.
 
 ### Cancel Event
 ```bash
@@ -38,17 +58,63 @@ partiful events cancel <event-id>
 partiful events cancel <event-id> --yes          # skip confirmation
 ```
 
+## Posters & Images
+
+Three ways to set event imagery (all require Partiful auth since they're used on `events create/update`):
+
+| Method | Flag | Extra Auth | Notes |
+|--------|------|------------|-------|
+| Built-in poster (by ID) | `--poster <id>` | None | Catalog is public; use `posters search` to find IDs |
+| Built-in poster (fuzzy) | `--poster-search <query>` | None | Picks best match automatically |
+| Custom upload | `--image <path\|url>` | Firebase token | File path or URL, 10MB limit |
+
+```bash
+# Find a poster
+partiful posters search "birthday"
+
+# Create with that poster
+partiful events create --title "Birthday Bash" --date "2026-06-15T19:00" --poster "birthdaypresent.png"
+
+# Or let fuzzy search pick one
+partiful events create --title "Birthday Bash" --date "2026-06-15T19:00" --poster-search "birthday cake"
+
+# Upload your own image
+partiful events create --title "Party" --date "2026-06-15T19:00" --image ./flyer.png
+partiful events create --title "Party" --date "2026-06-15T19:00" --image "https://example.com/poster.jpg"
+```
+
 ## Helpers
 
 ### Clone Event (+clone)
-Duplicate an existing event with a new date:
 ```bash
 partiful events +clone <event-id> --date "2026-06-01T19:00"
 partiful events +clone <event-id> --date "2026-06-01T19:00" --title "Game Night v2"
 ```
-Copies title, description, location, and settings. Guests are NOT copied (use `guests +share` to re-invite).
+Copies title, description, location, and settings. Guests are NOT copied (use `guests +share`).
+
+## ⚠️ Formatting Rules
+
+### Dates — Always Include Full Year
+```text
+✅ 2026-04-01T19:00
+✅ 2026-04-01 7pm
+❌ Apr 1 7pm
+❌ 04/01 7pm
+```
+The CLI defaults to `America/Los_Angeles`. Pass `--timezone` explicitly if the event is in another timezone.
+
+### Descriptions — Plain Text Only
+Partiful renders descriptions as **plain text**. No markdown.
+```text
+✅ "🎮 Game Night!\n\nBring your favorite board games.\nSnacks provided.\n\n📍 Parking on the left side"
+❌ "**Game Night!**\n\n- Bring your favorite board games\n- Snacks provided"
+```
+Use emoji for visual breaks. Use `\n` for line breaks. No `**`, no `-` lists, no `#` headers.
+
+### Times — Double-Check AM vs PM
+Early morning events (e.g., brunch at 10am) — verify you didn't accidentally set 10pm. The CLI will echo back the parsed time in its response.
 
 ## Tips
-- Use `--dry-run` on create/update/cancel to preview changes.
+- Use `--dry-run` on create/update/cancel to preview changes without executing.
 - Pipe `events list --format json` to `jq` for scripting.
 - Event IDs are returned in list output and can be used across all commands.
diff --git a/skills/partiful-posters/SKILL.md b/skills/partiful-posters/SKILL.md
new file mode 100644
index 0000000..70b0389
--- /dev/null
+++ b/skills/partiful-posters/SKILL.md
@@ -0,0 +1,48 @@
+---
+name: partiful-posters
+description: Browse and search the Partiful poster catalog for event imagery
+---
+
+# Partiful CLI — Posters
+
+Browse the built-in poster catalog. No auth required — the catalog is public.
+
+## Commands
+
+### List Posters
+```bash
+partiful posters list
+partiful posters list --category "Dinner Party" --limit 5
+partiful posters list --type gif --limit 10
+```
+
+| Flag | Description |
+|------|-------------|
+| `--category <name>` | Filter by category (e.g., "Birthday", "Dinner Party") |
+| `--type <ext>` | Filter by file type: `png`, `gif`, `jpeg` |
+| `--limit <n>` | Max results (default: 20) |
+
+### Search Posters
+```bash
+partiful posters search "birthday"
+partiful posters search "disco" --limit 5
+```
+Fuzzy search across poster names, tags, and categories.
+
+### Get Poster Details
+```bash
+partiful posters get <posterId>
+```
+Returns full metadata: name, categories, tags, preview URL.
+
+## Usage with Events
+
+Once you find a poster ID, pass it to `events create` or `events update`:
+```bash
+partiful events create --title "Party" --date "2026-04-05T19:00" --poster "piscesairbrush.png"
+```
+
+Or skip the manual search — `--poster-search` does it in one step:
+```bash
+partiful events create --title "Party" --date "2026-04-05T19:00" --poster-search "disco"
+```
diff --git a/skills/partiful-shared/SKILL.md b/skills/partiful-shared/SKILL.md
index a111d06..7ced2aa 100644
--- a/skills/partiful-shared/SKILL.md
+++ b/skills/partiful-shared/SKILL.md
@@ -1,6 +1,6 @@
 ---
 name: partiful-shared
-description: Shared auth, global flags, and security rules for the Partiful CLI
+description: Shared auth, global flags, formatting rules, and security for the Partiful CLI
 ---
 
 # Partiful CLI — Shared Patterns
@@ -10,24 +10,23 @@ description: Shared auth, global flags, and security rules for the Partiful CLI
 ### Login
 ```bash
 partiful auth login <phone>
-partiful auth login +15551234567
+partiful auth login +12065551234
 ```
-Phone-based authentication. Phone number must be in **E.164 format** (e.g. `+15551234567`).
+Phone-based authentication. Prefer **E.164 format** (e.g., `+12065551234`); US numbers without `+1` are normalized automatically.
 
-1. Sends an SMS verification code to the provided number.
-2. **On macOS:** Automatically retrieves the code from iMessage (via `imsg`). No manual input needed.
-3. **Fallback:** If auto-retrieval fails, prompts you to enter the code manually.
+1. Sends an SMS verification code.
+2. If supported on your platform (macOS via `imsg`, Android via `termux-sms-list`), auto-retrieves the code.
+3. Otherwise (or on timeout), prompts for manual code entry.
 
 | Flag | Description |
 |------|-------------|
-| `--code <code>` | Provide the verification code directly (skip SMS wait) |
-| `--no-auto` | Disable automatic SMS retrieval; always prompt manually |
+| `--code <code>` | Provide verification code directly (skip SMS wait) |
+| `--no-auto` | Disable automatic SMS retrieval |
 
 ### Check Status
 ```bash
 partiful auth status
 ```
-Prints current auth state (logged in user, token expiry).
 
 ### Credential Resolution (priority order)
 1. `PARTIFUL_TOKEN` environment variable
@@ -38,10 +37,10 @@ Prints current auth state (logged in user, token expiry).
 | Flag | Description |
 |------|-------------|
 | `--format <json\|table\|csv>` | Output format (default: `json`) |
-| `--dry-run` | Preview what would happen without making changes |
+| `--dry-run` | Preview without making changes |
 | `--yes` | Skip confirmation prompts |
 | `--force` | Override safety checks |
-| `--verbose` | Verbose logging |
+| `--verbose` | Verbose logging to stderr |
 | `--output <file>` | Write output to file |
 | `--no-color` | Disable colored output |
 
@@ -68,6 +67,36 @@ Prints current auth state (logged in user, token expiry).
 | 4 | Not found |
 | 5 | Internal error |
 
+## ⚠️ Formatting Rules (Important!)
+
+### Dates — Always Include Full Year
+```text
+✅ 2026-04-01T19:00
+✅ 2026-04-01 7pm
+❌ Apr 1 7pm
+❌ 04/01 7pm
+```
+Default timezone: `America/Los_Angeles`. Use `--timezone` for other zones.
+
+### Descriptions — Plain Text Only
+Partiful renders plain text. **No markdown.**
+```text
+✅ "🎮 Game Night!\n\nBring your favorite board games.\nSnacks provided."
+❌ "**Game Night!**\n\n- Bring board games\n- Snacks provided"
+```
+Use emoji for visual breaks. Use `\n` for newlines. No `**`, `-` lists, or `#` headers.
+
+### Times — Verify AM vs PM
+Always double-check AM/PM, especially for morning events. The CLI echoes back the parsed time.
+
+## Schema Introspection
+
+Discover command parameters programmatically:
+```bash
+partiful schema events.create
+partiful schema guests.invite
+```
+
 ## Security
 
 - **Never** log or print tokens in output.