Smells like New Screen Names
Crayons are just oil pastels. The techniques are just less flexible than regular pastels, so they aren't used as much.

jac the hat
yu dont need a site you need some crayons and paper and just play and experiment and see what they can do - Do everything but eat them - I wonder if you mean oil and chalk pastels if so the answer is the same experiment with an open mind and heart and see what they do .