Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide.Complete Charity-Donation-Form-9711. Looking for an easy way to create fundraising letters? This guide and free templates empower you to effectively communicate needs and inspire support! Let's walk through common examples of donation letters, starting with a template of the basic format to follow. Use one of these letters as a guideline or template to create your own mission trip fundraising letter. A simple donation letter sample can start with, "You've been a big part of our organization's fabric over the years. See resources below for samples. Name. Address. City. Telephone No. Printable Tribute Donation Form.