Question about psx namco stick

As in the yellow and black one. I haven’t ever had one before so I wouldn’t know the answer, but about how moddable is it? Any way some art can be slapped on it?

This Thread for information.
http://shoryuken.com/f177/namco-stick-appreciation-188312/

For art, arthong has Custom Acrylic Panel.
Just sandwich your art between.

http://www.tek-innovations.com/arthobbies/?loc=products&cat=10