Does anyone have any good tips on how to colour/color flow? ie recipes, instructions etc. I have read you need 2 different constancies for the outline and the fill. What is the best way to make each one.

Some links that talk about color flow--recipes and tips.

http://www.members.carol.net/~zt.proicer/cakepict/colorflo.htm

http://www.wilton.com/recipes/recipesandprojects//icing/colorflow.cfm

http://www.wilton.com/yearbook/productinfo/colorflow.cfm

http://www.michaels.com/art/online/displayArticle?articleNum=ae0257

http://cakestylist.wordpress.com/category/color-flow-icing/

http://www.gardenridge.com/articledisplay.asp?ID=6&dept=5

http://books.google.com/books?id=DhV80gqFiiQC&pg=PA39&lpg=PA39&dq=%22color+flow%22+icing&source=web&ots=PPW0PqUzpI&sig=yX0EB3sLtwcionY5vpUeT7lFh7A&hl=en