Smugmug is a paid photo sharing website & image hosting service & it offers you free trial for 14 days. It allows you to backup photos & videos and share them to social networking sites. You can also download photos, videos and galleries to computer from your Smugmug account. Smugmug allow your friends or guests to upload their photos to your Smugmug account, just by using a 'Special link'. This feature is helpful for lots of people to upload photos in bulk. If they wants to upload individual photos and easy captioning, then they can use 'Email Upload' feature.
You can now install PicBackMan's SmugMug uploader for Mac from the website and start backing up SmugMug Photos & videos.