This is a super simple 5 minute video on youtube just click here!

This is a video using Pixlr It's easy & Free!  Just Click Here!

If you are on a Mac it's super fast!  You just click on your image, click the tool box, click the wand and click the space you want to erase!  Then you touch up with your Lasso Selection.   NOTE: The Most Important Thing To Remember:  "SAVE IT AS A .PNG"