Hi, thanks for answering the questions. He is a little guy, sure can't afford to lose any weight so let's see what we can do for him.
You mentioned that you're using a 150 watt basking bulb. What size tank is he in? I saw the digital thermometer in the pictures and I'm glad to see that it is the probe type. When you take the temperatures, do you have the probe end laying right on the basking surface, then wait about 45 min for the temp to stop rising before you get the final reading? If you are doing it that way, then I suggest you put a lower wattage basking bulb alongside the basking bulb you have now or invest in a flood light. Babies tend to like temps over 100 and even closer to 110 but it shouldn't be any higher than 110. A low wattage ceramic heat emitter alongside the basking bulb might work too but you wouldn't want too high of a wattage.
I'm glad that you are using a real good UVB. The basking bulb and UVB should be right alongside each other so he can get both benefits at once when he is basking. So, another option would be to use the hammock as the basking area and putting in a lower wattage basking bulb & you could even use a standard household lightbulb for that as those work fine.
Good to hear that you're using reptile carpet rather than calci or vita-sand. For his age, you should be dusting his live food with calcium with D-3 but phosphorus-free 5 days a wk, but only 1 feeding a day & with vitamins the other 2 days a wk, but only 1 feeding a day. When you mist him, make sure you're misting in his tank as it could raise the humidity too high which can cause an upper respiratory infection. My beardies never liked being misted either so you could
bathe him at least 3 to 4 times a wk instead. If you need help with that, let me know, it's really quite easy and hydrates them much more. You could also offer drinks of water with a little pinch of calcium or vitamins in it (depending on the day of the wk that you would offer one of those) and put drops on his nose with a plastic medicine dropper for him to lick off. Might take a few minutes for him to get the idea. Our beardies love diluted 100% juices (no sugar added) dilute with 4 parts water to 1 part juice and put drops on his nose, once he gets a taste, you'll see his tongue go around in circles to get every drop. Flavors I've used are cherry,(their favorite) grape, apple & cranberry.
Here's a site that shows the best greens/veggies to feed. The staple foods are printed in green ink.
http://www.beautifuldragons.503xtreme.com/Nutrition.html Even though he may not show much interest in them, it's still a good idea to offer fresh ones daily, like escarole, collards, mustard greens, endive as lettuce doesn't have much nutritional value & is mostly water.
I really think you should remove the uneaten crickets as I have 1 beardie that sleeps on his hammock & I have had to remove crickets that ended up crawling on him when he was sleeping more than once. I know crickets like to hide but none of us want our beardies to be bitten by them and I have seen pictures of some nasty sores that have been caused by them. Beardies don't eat after lights are out anyway so to prevent disturbing their sleep & stressing them out, please consider removing them.
If you have any other questions, let us know but I think once you adjust the temps, move the lights alongside each other, feed other greens/veggies, increase the
hydration and use the calcium & vitamins as suggested, that you'll notice a difference. Another thing you could do to give him a boost, is to try handfeeding crickets or if they seem to move to fast for him, put about 1/2 dozen in a ziploc bag & place in the frig for a few minutes which helps slow them down. Also, if needed, you could pick up some chicken and squash babyfood & mix a small amt of chicken with a larger amt of squash & a little water or Pedialyte to thin it & offer with a plastic medicine dropper by putting drops on his nose for him to lick off. The chicken has protein in it and should help give him a boost so he doesn't lose wt until he eats well on his own.
Keep us updated, ok?