Different TV manf have different specs on viewing from a side angle. Mine is the 22-inch VIZIO HDTV lcd monitor. It does pretty good viewing from the side. On mine the problem is up and down viewing. I have to point it down more to see it real good. My mount allows for this adjustment. If your mount just connects direclty to the four screws in the back I think they sell an adapter that you can move up and down with.
Check with WALMART as they have a whole wall full of mounting adapters. I was thinking of something like this to use with your present wall adapter.
This adapter would make for a great quick disconnect for your mounted TV as well. Loosen the two screws in the slot and remove the two other screws then you could just lift out the light weight monitor if you wanted to take it down for travel or storage modes.