1. Bring up the screen on your iPhone that you want to take a screenshot of — for example, I created a test note. If it really is FieldRunners (or another game) that you want to use, I suggest you pause the game first.
   

   Sample iPhone Screenshot -- click for the full size image

2. Hold down the Home button (the round button on the bottom front of the iPhone) and then press the Sleep button (the button on the right side of the top edge of the iPhone). Release both buttons at the same time and the iPhone screen will flash white. At this point, the screenshot has been taken and it is in your Camera Roll.
3. On your iPhone, go back to the Home screen and then tap Photos. Tap the Camera Roll album — the screenshot you just took should be the last photo in this album. Tap the screenshot to make it full screen and then tap the Email Photo icon in the lower left of the screen. This will bring up 3 buttons — tap the button that says “Email Photo” — this will open a new email with the screenshot image attached to the email.
   

   iPhone Screenshot with Buttons -- Click for full size image

4. Address the email to your one email address and send the email. You can now open the email on your computer and save the screenshot image to your hard drive.

Now that you’ve got it on your computer, you can use it the same as any other image — post it to your blog or website, set it as your desktop background, or even email proof of that amazing score in FieldRunners to all your friends!!

Having trouble taking screenshots on you iPhone? Leave your questions in the comments for more help.