iPod touches without cameras require an external microphone in order to record audio.
Doodle Buddy is a drawing app. Load an image as a background to draw on top of it.
Images and pictures are saved and accessible through the Photos app.
Take a screenshot by holding the Sleep (top) button and quickly pressing the Home button. The screen will flash and the screenshot is saved in the Photos app.
Maps uses Google's maps, satellite images, and street view panoramas.
Green Guardians offers free and premium lessons for K-5 students about environmental literacy.