Leo, I also had a run in with the "flashing" effect as well, only mine was after a storm. The screen would flash, like you said, as a lightning flash. So far, since the storm is over, no more flashing. As a side note, the entire mod was activated while in port. Only now with your latest reflections work am I installing on the fly.
Another minor problem I'm experiencing is the one you mention on the main page of the thread: The ocean behaveing oddly sometimes when comeing out of TC. I try your little workaround(pause the game at the Nav screen, then return to 1x speed), but it dosen't always clear it up. Either it clears up on it's own, or I'll continue on in TC, and when I drop back down to 1x, it'll be OK. Weird one.
Once again, a big thank you to you, and the gang for this GREAT mod! All the best!