One more reason not to shop at Walmart, and in particular, not use their photo processing services.
To tell the truth though, I don't know why anyone who cares about their photos would process at Walmart. Just stand and look at how they treat your negatives -- they don't use gloves, they'll drop film on the ground, film drags across countertops, etc. However, one reality is that mom and pop film processors are going out of business at a rapid clip, so soon all we will have left are Costcos and Walmarts.
I feel like I'm in a real bind. I may just end up doing just B&W in film and going exclusively digital for color. :-(