I like that idea Chris. It'd save on the load times as well.
T-34:
First off, do you know what a group build is? A bunch of people get together to build a certain model, or models from a certain category that everyone agrees on.
At the completion of the campaign, whomever started it (or whomever is willing
) creates a little pic signifying the group build. Those that participated and completed add this pic to their signature, as a badge of honour. It just further adds to the sense of community