Some velcro for your boards.....

[elshiftos]

This stuff: http://www.accessdisplays.co.uk/exhibition-display-fabrics.htm
It's very expensive and a lot thinner than what you find on commercial boards. Having said that, I have used pva glue to stick it to an mdf baseboard and I can lift it up by the pedals! Also, it doesn't fluff up and lose fibers which is something I've seen on commercial boards!

In the spirit of giving something back, that's the best I can do today