I don't know if you've already figured this out, but GTalk is a funny app, for me at least. I'd try rebooting after you set the permissions.
I don't know if you've looked yet, but this thread might help you out:...
Hehe, i made those icons (the bottom ones), i could upload the psd later if u want, depending on how comfortable with Photoshop u are. Kerning and...
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