How to reduce Poptart photo...

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MP4 (Source) 1280 x 720 232.12 MB
FLV (Flash) 640 x 360 29.35 MB
FLV (FlashHD) 1280 x 720 68.49 MB
MP4 (480p) 640 x 360 23.62 MB
MP4 (720p) 1280 x 720 54.54 MB