My favorite Ringcon clips on YouTube:

[rodneyscat]

I'm going to add stuff here as it turns up.
Disclaimer: none of these clips are by me! I'm just linking to them!!!

Craig adoring Shane's guitar performance during the auction

'Gollum at the dentist'

'freeze'

Shane's haka during the closing ceremony

[edit @ 18:29]
Craig and Mark belly dance

[edit @ 22:57}
Craig and Lori speak 'German' (sorta)

A couple of 'Mark & Craig show' clips:
'you gotta stop smoking'
singing happy birthday for Craig
Craig gets a cake
Barbara and Derrik in Scotland ;)
This poster has some more Ringcon moments up.

[edit @ 11/15/06 00:22]
'celebrities' and 'intellectuals' doing a skit together (fits in before 'Craig and Lori speak German' clip)

[edit @ 11/15/06 15:16]
Craig, Lori and Mark singing a madrigal

Another version (longer) of Shane's haka

Shane, Jed, Bruce and Bruce swordfighting

The elvenchoir (The result of one of the workshops put on stage; really amazing!)

Oh, and this is special! One of the clips from the videocontest. A animated poem by Tolkien. It's read in Russian, with English subtitles. I loved this one.