Write an excellent thank you letter for donations. Get tips and best practices, plus three inspiring samples and ready to use templates!To make a donation to TBA, please fill in the form below. You will be able to choose the fund or program to which you wish to make your donation. Some businesses proudly display such thank you letters for their customers and community to see. See above for customizable templates. In addition to online donations, monthly donations, tribute gifts, and wishlist or drop-off donations, there are more ways you can help. 13 Top Secrets of Donor Thank You Letters. Secret tip one: Consider adding a personalized handwritten note in the right-hand top margin. The generosity of faculty, staff and retirees provides critical funding to nearly every corner of the OU campus.