I decided to try a still life painting with my non-dominant hand. A large brush, broad strokes, and voila. Even the pattern and folds in the tablecloth came out well. Of course I went in with my right hand and finished off a few things. The stripes in the bowl were more difficult to do with my left hand, for instance.
Best thing about still lifes is that you get to eat the fruit afterwards. The mangoes were delicious.