I'm trying to make a 80x477 transparent .xpm image.

I went here, clicked the box on transparent, and made one then saved it as a .png file.
http://pixlr.com/editor/

I then took it here and converted it to .xpm.
http://www.convertmyimage.com/index.php

The image shows up black though on my tablet.

Did I do something wrong on this?

Here's the end result.
side.zip