Rapidly Rapiding rapids

I've been wanting to try my hand at a larger painting for a while now (the last one was probably that waterfall I did) and I thought it'd be more fun to try something with more water movement like river rapids.

This is based on a picture of Yosemite.

I was a bit surprised at how the rocky cliffs turned out. I wanted to try using my pallet knife and at first it looked incredibly stupid. But after a few additions, adding more paint and more texture it came out kinda cool.

I'm thinking I need to try some flowers again. Anyone got a favorite flower picture?