Hello, I was wondering if anyone might be able to provide me with some tips or a template on a letter asking for sponsorship. This letter will need to be generic, so that it can be sent to several different local businesses. This sponsorship is

We are artists/painters, with no funds and we are expecting to have a many more artists in our organization. So we want to write a letter to the different companies asking for a sponsors/support. I need your help on how to write such a letter