Here's some pictures I snapped a couple of weeks ago. Sorry they aren't the best. I find myself taking more pictures of fish in the smaller tanks because it's easier to get the lighting right.
Larger A. christyi 6" +/-
Smaller A. christyi probably closer to 5"
Not sure if this is the biggest of the T. macrostoma or not, but def one of the larger ones:
Another random shot with both fish in there
Here's a pic of a fish I haven't shown before... an 8" Placidochromis johnstoni (from Crabbymatty). Again, excuse the dirty glass and lousy photo quality.
The Tyranos aren't showing any color in these shots, but do sport some blue in the face from time to time. I believe I have 4 in the big tank and 1 gimped one (missing an eye) in a 40B with some other growouts. I'm fairly certain they are T. macrostoma.