This video shows you how to change your font so that the Cricut will draw your words with a pen rather than cutting out their outlines with a blade. Duration: 2min
This article with screen shots shows more detail on how to use the contour tool to make lots of different Cricut designs from a single image by selecting the parts of the image you want to keep and use.
This video walks you through the process of finding an image on the internet, downloading it, and converting it so Cricut understands what the picture is and what to cut or draw. Duration: 9min
This video describes the differences between Vector and Raster images - Vector images are files like SVGs that the Cricut recognizes and can cut, while Raster images are files like PNG and JPEG that need to be converted from pixels and colors into lines the Cricut understands. Duration: 3min
This article talks about the options available in the Project Preview screen. This is the final step before sending your project to the Cricut machine.