I like them a lot, except for the cut out ones. Trace, Drink, Cube, Fire, Hologram, Mercurial Me, Charcoal, Spotlight, and iPod are all great. And they also work on Photobooth just in case anyone was wondering since it said it was for iChat.
Hope this isnt old news..
I didnt hear about this little add-on pack until yesterday. Appears to have been updated to v1.1 now. http://www.macupdate.com/info.php/id/26236/more-ichat-effects
Some of the effects it has to be said, are just crap. But on the other hand, you get an equal number of really good ones. Hologram is already a classic, but the new psychotic effect is something else Very cool indeed.. No point posting a screen shot of this one however, as it really has to be seen moving.