You can Force iPhoto to Run on Your First Generation iPad
You'll need to download the app itself, as well as the iPhone Configuration Utility. For the actual execution of the trick, we'll leave it to the experts at App Advice, who say that you can use the same technique to put iMovie on your device.
Keep in mind, by doing this you're using your iPad for something it wasn't intended to be used for, so if safety is a big concern of yours, you may be better off not trying it.
