Any volunteer organization risks running into this at some point. --You generally don't have any sort of contract because you're not paying anyone. I used to

Any volunteer organization risks running into this at some point. --You generally don't have any sort of contract because you're not paying anyone. I used to help run a convention, and one year the person who had designed the program book decided he deserved compensation and demanded a similar amount of money to let us use the design. We were left with only a couple of days to come up with a new design.