Here are some great soloing and fill ideas that use the double stroke roll. The idea is to play a double stroke roll and put little flourishes of hand/foot combinations within it. The result, after some practice, is some blazingly fast and incredible sounding licks.
There are four related examples, and the grooves that precede them are fun and different too.
Have at it. I am still shedding these.
Here is the PDF for you to take into the practice room: Blazing Double Stroke Roll Licks 1