And I suck at drawing straight, pretty outlines. How would one learn to do this?
Also, if you're using SAI, have a look at the Linework layer (next to the new layer button, the page with the pen), and make liberal use of the 'delete CP' function under the edit function. Play around with it and see how it goes.
You can lead a horse to water
and you can lead a horse into water
and you can swim around with the horse
and have fun