I Had backed up all 77 pictures on my camera roll to a folder on my desktop computer . I have a couple of new pictures I want to back up but I haven't because I dont wanna have to back up all 77 files again and get doubles on my desktop folder. My question to bit torrent users is if I back up the new pictures will it create doubles? And is there a way to choose what pictures you wanna back up rather then back up the whole cameral roll? And how can you back up other picture albums? Thank you.