The Oleg Lego entity posted thusly:

The Rob V entity posted thusly:

Thats what I figured.

Im thinking about adding a 45 degree peice on the wall to make a 90' angle
w/ the ceiling - not sure how that will look though.

Normal crown uses two angles that add up to 45 degrees. I'd be tempted
to try one of two things:

Now look what you've done! That should be "add up to 90 degrees".
Silly bugger!