How can I install google talk with video call support on CM7.1?
This version of google talk can be downloaded from http://goo-inside.me/gapps/.

The current version is gapps-gb-20110828-newtalk-signed.zip.

Details can be found in Rootzwiki at http://wiki.rootzwiki.com/index.php/Google_Apps#Google_Talk_with_Video.2FVoice_Chat