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.
If it's a square bore prop with the replacable hub you'll want to make sure the insert is seated properly and torque it down to 55 lbs. Check it every so often, make sure it stays tight so you don't split the insert.