I noticed someone was talking about adding webcam support some time ago in aother rfe (see the sprites discussion), and I just wanted to say that these things are fairly simple to do using openCV. I don't know about Qt's degree of webcam support, but OpenCV can also be used to do headtracking and such things.
I imagine it would be relatively straightforward to capture a webcam image (photograph or video) and then copy it to an image buffer accessible from within kidbasic, so that kidbasic could be used for transforming such images. One could even use kidbasic to create funny faces using openCV (kai power goo).
Given the networking features that are now available basic256, it would then be a fairly simple task to even create a skype-like video chat program in kidbasic, i.e. just by supporting video/audio grabbing, saving in a memory buffer, transmitting over network.
I guess such a program could end up being pretty expressive, probably in under 50 lines of code.