I would try aiming your trail camera more in a north or south direction especially since there are no leaves on the tree's this time of year,as the tree's bud out and get some leaves for shade then you can pretty well aim it in any direction after that!

Shouldn't ever point a cam east/west and then knock it for image quality.
Sun will always cause problems.

What Pnut said X 2......! ;)

I just purchased a trophy cam and I love it to death, my pictures didnt come out looking like yours though so I would try a different camera direction and see how it goes. If not, I know there is a little lens inside there that flips up during daylight hours for better picture quality...maybe its faulty?

Here are a few of mine....