cocoaforge

Yes indeed, that Terminal command seems to resolve the issue (for me anyway). What does that actually change? Are there any downsides to using this as a permanent solution?

--flyleaf

Apparently the latest Perian update is causing trouble with iChat AV. The symptom is, when in a video chat, the Perian user does not get incoming video from the other party (though audio comes in fine). Instead, the user's own video stays on full-screen, never switching to the picture-in-picture mod...