Kopete 0.11 is released with KDE 3.5. The most significant improvement is the WebCam support for MSN & Yahoo Messenger. In the Settings | Configure …, a new tab page named “Devices” emerges for the Video device configuration, like this:
However, the video support is not so reliable, it may cause the kopete crash from time to time. It might be interesting to build the debug version of Kopete and locate the bug.
Update: Here is an encrypted MSN Messenger, it might be interesting to implement Kopete plugin as the the cipher/decipher filter for the traffic.