GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
I think I would look on ebay.
If you tell us what you are using the motor on with specs we can help you with prop selection.If you have the present prop size and performance specs
(RPM and speed )that will help as well.