Going on with De4th's resizing statement a few pages back, I also decided to test it with hands. Since hands are square in-game, I decided to draw on a square canvas and resize it to fit. Once I tested it in-game, it looked perfect. When drawing hands, do it on a 408:1632 (width:height) canvas, then squish it down to fit the 512 height. Sides are not affected by squishing, but the right hand's outward side maps a few pixels to the right, so be careful with that.
This has been 'Helpful Tips with Hawke.'
Zander, if your GF's any good we can invite her. After the standard app procedure of course ;)