campin for showfest

ok ive asked a MILLION people and no one seems to know, were is a good place to camp? i know i could stay at kmart parkin lot, but i need to shower and shiz. any truckstop or anything like that near by? big EL said sumthin bout a place i searched yahoo and came up w/ this. http://local.yahoo.com/results?fr=dd-local-more&stx=campground&csz=Greenville%2C+MS

cypress garden is right off the strip and im not sure if they allow tents. i know i should call but i figured ask here first since some people stated they camped for this show also.