Hey they're looking good so far, just babies now but they grow up so fast.
After the next two weeks you'll be like
For the top of your door you can try installing a couple small computer fans pointed outward to help ventilate, but hot air rises so i think it should be alright as is, up to you. Your therm said 77 degrees and that's pretty good, it's about the same as my temps.
But yeah, don't worry about people not posting in your thread, seems pretty common around these parts (have you seen my thread?)