I think I would like to offer a slightly different approach to solving the same problem you are trying to solve.

A second Geopic thread. 

I agree that sometimes it takes a little too long to get a new pic up.  I have been the offender on at least one occasion, myself.  But I disagree with penalizing ones opportunity to post a picture because they are busy or technically challenged.

Keep the time limit at a week.  Same rules, just twice the fun. 

What say you?  Would that work, Butters?