I attached a picture of the wiring for the eBay modules.
Macro just updated the Parola and MD libraries a few days ago (version 2.4). Download it from his source code section on CodePlex:
http://parola.codeplex.com/SourceControl/latest
I tested the Scrolling example sketch and all you have to do is set the number of displays you have connected.
I'm not sure that a Teensy can be used or not, but I've used the UNO and MEGA with complete success.
Mel
