Step 1: The Parts
Black Acrylic plastic - acquired (free scraps) from Regal Plastics in Houston
Glue/Adhesive (IPS WELD-ON 3) - acquired from Regal Plastics in Houston
Plasticator squeeze bottle applicator - acquired from Regal Plastics in Houston.
Printed image - from the Internets or your artistic ability
EL wire soldering materials - see: http://neonstring.com/index.php?tasket=solder
Step 2: (Optional) Download free "Paint" program from getpaint.net
Edit: Someone has suggested that I mention GIMP here, which they prefer to Paint.net, and is also free. http://www.gimp.org