I am building an app, right now it's about 600MB exploded. My backup, with reduced image quality (winzip for mac does this), drops to 30MB (git is good but 3 ba

I am building an app, right now it's about 600MB exploded. My backup, with reduced image quality (winzip for mac does this), drops to 30MB (git is good but 3 backups per day on a cloud is better). I will ask pngcrush out on a date, take it out to a nice restaurant and then marry it!! Thank you for the great tips!