True - I found other advice about ports set up, but couldn't do much about it due to the whole kipper/bicycle problem, and the fact that my mum's PC is on a different continent to me.
jcl26, you could try here:
http://www.mvldesign.com/video_conference_tutorial.html
Or here:
http://www.aptr36.dsl.pipex.com/page12.html
Never inserted a link in a post before. Hope they work.
The second one has a particularly appropriate heading for you! Sorry if you've tried these already. Again, good luck