I painted a series of "alphabet animals" on my iPhone (using the Brushes app):
slimbolala.blogspot.com/search/label/Phone Phauna Phun?max-results=30
And one of the slick things about Brushes is that you can "replay" any painting, watch a movie of it being created (though sped up and without the pauses and undos). This is the lovebird I painted for "L". Enjoy!