An electronic slide show delivered as a podcast. It comprises an audio file with links to images within the timeline. The most popular enhanced podcast uses Apple's featured AAC format and can be played back in an iPod or with QuickTime Player on a Mac or Windows computer. Software such as Apple's GarageBand (www.apple.com/ilife) for the Mac and Podcaster (www.kudlian.net) for Windows and Mac is used to create AAC enhanced podcasts.

MP3 Enhanced Podcasts
ID3 is the method used to tag MP3 files with artist and song titles, and Version 2 (ID3v2) introduced a way to divide the file into "chapters" that are synchronized with images. Chris Newell's open source ID3v2 Chapter Tool (www.sourceforge.net) is a Java application for creating MP3 enhanced podcasts. See ID3 tag.

Windows Media Audio (WMA) Enhanced Podcasts
WMA enhanced podcasts are created by embedding Windows Media scripts in the file using a utility such as Windows Media File Editor (www.microsoft.com).