I based the sprite off of this image:

http://openclipart.org/detail/138565/spaceship-by-gustavorezende

Here's a basic demo I made with it using kineticJS:

http://www.quantumfractal.info/kineticjs/QImage-Sprite-Demo3.php

The background can be found here:

http://opengameart.org/content/4-large-planets