I moved your topic to a section specifically for Trail Cams. This should get you more responses. There are quite a few very knowledgeable members who should be able to help you choose a new camera if that's what you decide.
If your current cam is giving you curved pictures, it's probably from your camera's lens type. If your cam is missing pictures of animals, you may need to adjust your camera's settings to make them more sensitive.

As far as trail camera recommendations, I've tried a couple Bushnell cams and didn't like them either. I have one Browning cam that I'm using and still evaluating. The majority of my trail cams are Cabelas brand. I get them for about $100 a cam (they're not cell cams). They have a small display window that helps you aim your camera and will let you view your pictures if you wish to. I generally just change the data card in the camera and check the pictures at home on my desktop computer (much easier to see detail, save pictures, etc.). Hopefully this helps some.