I don't know if there's already a post concerning this but it would be great if everyone could share his own kits and the settings they made to improve their Crimson module???
I can't help you with any custom Crimson kits, but there's a neat trick you can try using a midi (loop-back) cable to connect your module's Midi Out to its Midi In (similar to the included DM10 pic).
It should create a dual-layer effect for each instrument sound and can be turned On or Off with the Local Ctrl setting in the Kit Utility menu (not quite as explained in O/M p12).
Another option I'm using with my DM10 is a cable plus an in-line (lamp type) switch that disables the midi signal easily (refer to the wiring diagram).