Images
Images: Taking photos - Editing images - Image hosting - Making use of on-line images
Audio
Audio: Recording audio - Editing audio - Audio hosting - Making use of on-line audio - Podcasts
Video
Video: Recording video - Editing video - Video hosting - Making use of on-line video
Presentations
Presentations: Authoring a Powerpoint presentation - Incorporating media in a presentation - Presentation hosting - Making use of on-line presentations