I'm very sorry for any inconvenience this may have caused you. This sounds like it may need servicing. Here's the thread where you can get details on setting that up: http://forums.cnet.com/7723-13973_102-542437/service-issues-click-here-for-help/
The Samsung 32" LCD LN32B530P7FXZA tv is distorting pixels after about an hour of the tv being turned on. The number of times it distorts is increasing and the amount pixels affected is also increasing. Any ideas about the cause. TV is only 2 yrs old.