I have an LG Optimus Elite and I am running the stock ROM.
In my text message threads, under "Me" where my messages are, it shows one of my contacts, rather than my Facebook or Google photo. How do I change this?
As you haven't given your Android version, I shall give the steps I used for my device:
This video also shows it: http://www.youtube.com/watch?v=6hxULkTKe9E