If you cannot decide how you feel about Wal*Mart - then that's perfect! Show the good - people looking happy with a cart full of stuff, children playing with toys in that department, someone looking happily at a Sale rack, happy elder working as a greeter ... and then the not-so-good side. That could be tired-looking cashiers, long lines, "help wanted" signs, trash in parking lot, or messy shelves in store, unhappy-looking people shopping, etc.