Here is the link that does work:
http://web.mac.com/btinsley/iWeb/TinzArt/
There is also a seaside tutorial on that same website.
I do not know Art rage, what is the Glitter tool? Is there something in Photoshop (or painter) that does look like it?
Thanks for sharing - your tree looks great. And know I have learned that I should start with the overall shape of the tree instead of the trunk....
Jacqueline