Here are some links to program tutorials that can help as you are planning your presentation:
Keynote, which is on your computer: http://www.apple.com/iwork/tutorials/#keynote-hero
Powerpoint, also on your computer: http://office.microsoft.com/en-us/powerpoint-help/powerpoint-help-and-how-to-FX101816832.aspx?CTT=97
Dipity, to create timelines: http://www.dipity.com/
Voicethread, a neat program that might work well for group collaboration: https://voicethread.com/about/features/
Fotopedia, an online photo encyclopedia: http://www.fotopedia.com/
