He looks healthy and yes they do take some time to adjust to their new home. Usually it takes them anywhere from an hour for some and up to a week for others. Cover 3 sides of the emclosure with. Some sort of background so he feels more secure.
Temp during the day should be 80 to 85 and night temp 75 to 79. Humidity should be maintained at 80%.
Do you de-chlorinate the water for your frog? If not you should. The chemicals in tap water can make your frog sick and can kill it.
Does he ignore the crickets or attempt to eat them?
These are nocturnal frogs and should be fed at night. Do you do so?
Answer these questions and keep us posted.