How do you save pictures on the samsung captivate?

You can download a backround app at ur market that gives you tons of backround choices to pic from

Well, you should have received a wire with a usb like end which you can plug into your phone. once you've done so it should pop up you click on it and there you go

Long tap the picture until a list of options comes up and then click "save attachment" and it will save in your gallery as "downloads"

You just can't.

To save pictures from the internet, hold down on a picture until a menu pops up with an option to save it.