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How to shrink a photo in iphoto
Open the photo you wish to compress.
Open iphoto from your finder and then select the photo you want to shrink. If the photos are not yet saved in iphoto, go to " import " under " file.
" from here you can select the file or folder that you wish to shrink. Once they have been successfully imported, they will display in the right-hand window of iphoto.