Glen Mazzara has already gone on record to say that sometimes they have to make edits with the negatives to accommodate the editing and deadlines they encounter. Hence, the reason why in Season 3 Episode 10 "Home", we see Daryl's back tattoo swapped from his right shoulder blade to his left as well as the cut on his eye swapping sides as well. It's sloppy but sometimes it has to be done, unfortunately.