I'd add a background or put maybe one more leafy vine in the back. Temps are good. The temperature of my house is set by the geckos. So the house stays at 75 during the summer and they get a space heater in the winter.

As long as you get some crested geckos that will eat bugs, you'll be fine with the baby food/circket regime. Me, I own two geckos that won't touch bugs at all (I didn't raise those two from itty bittyness), so they get CGD almost all the time. (One of them is going to a new owner this week, who has been informed, and I'm not charging for Peaches).