There are many photos of the 2008 festival you can view online:

1) Derek Tuite Photography has some very nice photos of the festival that can be purchased online - Saturday Photos & Sunday Photos.

2) Daniel McAdam's flickr site (some really nice photos there)

3) Joe & Clare's flickr site (photos of the burning of the monastery)

4) Some great photos from Chris from Dublin, particularly of the Sunday dog competition:

And from 2007:

1) Joe & Clare's YouTube video clip from The Glyde Inn Annagassan - Viking Festival Night 2007