Jamie Lynn Pap Pinched for Stalking

A celeb photog who's been snapping Jamie Lynn Spears and her baby daddy Casey Aldridge down South has gotten popped for stalking -- even though if this happened in LA or NYC, he'd just be one of the pap pack.

Edwin Merino was arrested yesterday on charges of stalking J-L and Casey in Liberty, Mississippi. He says he was at least a couple hundred feet away when he was shooting them, but cops still nabbed him at the gas station where he was shooting.