Try to buy one with at least 3 mega pixel quality. This is a pic with 1.2 mega pixels:
Quality is not good. You can see the pixels.
This ones at 5 mega pixels:
Quality is better. Taking snaps with 1 to 2 mega pixels is OK. They're just small. Digital cameras use memory cards. They come in 16 megabytes, 32, 256, 512 and 1 gig. You can find them at any Walmart. A deceit camera will cost you at least $100 dollars.