Ah, I remember that programme. I think I saw one episode.

Tim Hunkin has a neat website:
http://www.timhunkin.com/

...and this one for the show:
http://www.secretlifeofmachines.com/

My gran gave me one of his books "The Rudiments of Wisdom" which has every "Rudiments" cartoon he has written, and they are now all online:
http://www.rudimentsofwisdom.com/

I just remembered where I heard the name Rex Garrod before 0 Robot Wars:

http://www.specialeffects.freeserve.co.uk/

Gareth