Take a selection of Photos based on the criteria for the photographers badge
Instruct your Scouts they have say 2 weeks to take a number of photos on at least two of the following subjects
- still life or similar
- land or seascape
- sport or similar action
- time-lapse photography
after the given time period on one of the your meeting nights they then pick 3 of their best from each of their subjects have chosen and mount them. Pick a night to do a mini exhibition even advertise it and get some members of the public in and turn it into a mini fundraiser.