Question about Jukebox arcade...

Hi all, I'm working on a touchscreen jukebox project at the moment using an XP machine, An ELO touchscreen monitor and Jukebox arcade 1.3.7

All is going well apart from the Software not displaying the album covers, each album folder contains the front.jpg file showing the album cover but all the software displays is the generic image of a CD. the covers show up in windows media centre 9 so i'm assuming all is well with the folder structure.

do I need to resize or convert the Jpegs?

any pointers? or does anyone have any alternative software suggestions.

I've used dwjuke in previous mame/maximus cabs configured to work off the joysticks and a button but that software doesnt seem to want to play nice with touchscreens.