Moved my Photos, screwed something up

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http://forums.androidcentral.com – So I decided to move the photo location to my external SD. I noticed I now had two folders for the images I had taken. One from the ones that were taken in the first spot and the ones on the SD Card. So using AirDroid, I dragged all the old files of the photos to the new location. However, they are not coming up on my gallery now. Is there a way to update this at all? (HowTos)