Installing BL controller for new guy

I am a new guy here trying to get a BL system installed on a mostly stock E-Maxx (MIP CVD, strobe slipper). I have a BK 12020 controller and am waiting for the Wanderer 8XL to get in with a 20 tooth pinion.

Questions:
1. How do I physically attach the controller to the frame? It does not sit flush like the stock Novak. If anyone has a web site with pics - that would be perfect.
2. The strobe ball bearing does not fit onto the transmission shaft - do you all have to Dremel that down to fit?

If any one know of a site with pictures of installation, I would be grateful!

I am sure more questions will come when the 8XL gets in!