Qik Video Camera Pro for any iPhone

The Video Camera for any iPhone, now with amazing touch effects!
WEEKEND SALE: free, for this weekend only (save $1.99)!

For 3GS users: this app provides effects, zoom and auto-focus, but the video quality of native video camera on iPhone 3GS is still higher than with this application. You can use this app to upload native videos, though.

Get it here