Ember is a native Campfire application for the iPhone that features "a streamlined user interface for mobile chatting, live image previews right within the chat room, inline viewing of popular file formats (Word, Excel, Powerpoint), inline YouTube viewing, access to all your Campfire rooms, and full SSL support."
Ember was created by Ovecommitted and is not an official 37signals product. It's available for $9.99 in the App Store.
