He looks pretty sickly and thin. It looks like he may have MBD due to lack of calcium--that can cause issues with the jaw, and a kinked//bent tail like he appears to have. What is he eating and are you providing good UVB/UVA lighting for him?
When a lizard starts to get emaciated or dehydrated the bones in the head protrude more than normal and can look like those brown markings (raised areas that would normally have more meat on and around then so they don't stick out so much).
I would get the anole to a vet for a checkup, fecal, and diagnosis on the mouth issue. You may need to provide some better vitamin and calcuim supplements in order to better meet the nutritonal needs of the lizard.
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