[ALLY] vid source

Hi, How do I get the vid source again? I suspect that the one I have saved here might be out of date. I am trying to make my own style - basically just an image that tracks mouse clicks and position, so it can draw into its image a crosshair, for example. I'd be happy with an example that draws a pixel in the image when clicked - even better where the mouse pointer is. Any help appreciated. Anton.