Made this in a bit of a hurry to answer a query on the forum - however the node editing ( about 3.57 into the video ) may be of interest to everyone using SCAL
Don't have it all figured out yet but definately interesting
Please let me know what you think
Pandora

edited the link = hope this one works - thank you for the comments
http://www.youtube.com/watch?v=4B5itWyePTw