Hey JNDesign,
I've had a stack of problems with lights too: blackbody, <default light source>, etc. No method seems to work well/consistently for me - either no power (regardless of 'Power' setting, or 'default light source power' setting) or too much power.
I'm sure there's a harmony of emitter power, and possibly some camera settings, but I haven't had a chance to go through all TimTam's tutorials yet.
What issues did you have? what did you do to get it working nicely?
A few written setting workflows: (x in Revit + Y in plugin = good result) might help a few people out (myself included). (no need for video walkthrough, most of us know what we're doing?
I myself have put interior shots into the too-hard/holiday category for the moment...