This document discusses how open source resources can be used to create rich instructional content with limited budgets. It highlights various open source media repositories like Flickr, OpenClipArt, and Ccmixter that provide free images, clipart, and music. It also introduces SoftChalk, a tool that allows teachers to easily search open source repositories and integrate content into presentations, websites, and other projects with a single click. The document encourages teachers to spend 10 minutes thinking of how to incorporate these open resources into their own classrooms.