4.3.5 Image Frame The Image Frame is used to display full-sized slides, either when selected in the Slide Frame, or when playing back a collection of slides from the Information Mural.	Figure 23: Image Frame with non-resized Slide
The Image Frame provides a feature to resize a displayed slide to fit the dimensions of the Image Frame.	Figure 24: Resize-to-fit Button
A second button displays a static image that outlines the relation between an actual classroom and the colors used to mark the different types of media used therein.
4.3.6 Selecting by Media Type Besides selecting specific sections and topics, the user may also select all sections/topics that belong to a media type. The toolbar near the top of the window provides five buttons that can be used to this effect.
Figure 25: Select Media Type / Category in Visualization Frames
Conveniently, the five buttons also provide a legend to the colors used for each of the media types.