90% of the time when a picture won't load, it's because it's too big. When I say too big, I don't mean it's 4 feet by 8 feet, I mean it has too much data embedded in the picture. You can resize the photo so it has less data, and it should load with no problem.
Here are instructions for how to resize and post photos here on the QB:
http://www.quiltingboard.com/qb-help...g-t166655.html
http://www.quiltingboard.com/qb-help...s-t168819.html