The Stylize options in Pixelmator let you manipulate pixels for impact. You’ll find a wide array of options for enhancing and stylizing your photos. Learn how to add effects and stylize objects and images in this tutorial for visual impact.

http://www.youtube.com/watch?v=cl-YtTmQ0zI

This tutorial is a single movie from the Up and Running with Pixelmator course by lynda.com author Rich Harrington. The complete course is 3 hours and 33 minutes and shows how to get up and running with Pixelmator, a full-featured image-editing tool for the Mac.