Hey Jenny, another guy in my office has Camtasia installed and sure enough he can export from After Effects to TSSCC! Unfortunately PPT2010 doesn’t seem to recognize the alpha channel in the TSSCC file (it does recognize it in an uncompressed AVI) when rendered RGB+A. Not expecting you to have a magic solution, just lettin you know Camtasia seems to be required for exporting to TSSCC 🙂
Best,
Jason