I have been searching YouTube and other sites and have found a few videos that are worth the watch. There are hundreds more out there. These are from all over the world, you will see all ages and shapes and sizes. That's one of the wonderful things about clogging, it's very inclusive and you don't need a "dancers" body.
Instead of adding new videos here, I've created several playlists for clogging on Youtube: You can check it out at this link...
Kerriclogs Channel on Youtube - here are the Playlists
Kelliente's Youtube Channel - some videos of dances from the National Convention 2007 in Nashville
Martha Hemingway (Happy Feet Cloggers) teaches clogging in 10 segments
Cyndy from Florida has some steps and dance-throughs on Youtube too.
Michael Scrip's has video clips of America's Got Talent Clogging Performances
Videos of Different Clogging Steps
http://www.clogwithsheri.com/ - great beginner steps clips (Oregon)
http://www.cherrycitycloggers.com/cuesheets-all%20videos.htm - some advanced steps - Cherry City Cloggers, Oregon
Regular Clogging Videos
Kerri's Youtube Playlist of Classroom Clogging
http://calgarydances.ca/bowvalley/videoclog.html - from Calgary- Bow Valley Cloggers - Maureen Dakers cuing
http://www.youtube.com/watch?v=c5FgD42muLI
http://www.youtube.com/watch?v=OgKQnPpIhug - gotta love the accent of the cuer
http://www.youtube.com/watch?v=YhMHe-8YzMY - same accent, different location
http://www.youtube.com/watch?v=zLetFfH94hk - great to see basics practiced
http://www.youtube.com/watch?v=e57TH_mdhUo - "Light in my Mothers Eye" (not great quality, someone played with their camera with this one)
http://www.youtube.com/watch?v=atzEXTUO36E - Rise and Shine (little ones are cute)
Traditional Clogging/Buck Dance/Flatfooting
Champions perform http://www.youtube.com/watch?v=Bbvkvn6IApA Clogging is something for all ages.
http://www.youtube.com/watch?v=qRE58xocPHg
http://www.youtube.com/watch?v=s9rJ2na9Umg
http://www.youtube.com/watch?v=n1G0fzDRDhI - traditional medley
http://www.youtube.com/watch?v=3eqvFJzkEcs
http://www.youtube.com/watch?v=fgZTz_0EQyI - June Carter Cash flatfooting barefoot London, 1981
http://www.youtube.com/watch?v=aUbqX4y0Ba0 - Percussive Dance Festival - almost 10 minutes
Clogging Competition/Performance Videos
Kerri's Youtube Playlist of Demos and Performance Videos
http://clog.michaelscrip.com/ - Michael Scrip has clips from all seasons of America's Got Talent.
http://www.doublestep.net/Videos/Mayfest_2008 - several videos of Elaine Bender's group - my buddy Libbi is in some of them.
http://www.youtube.com/watch?v=bHlVHglsU6w - "So You Think You Can Dance" finale - Brandon Norris
http://www.youtube.com/watch?v=TONOxwoDbqw - "So You Think You Can Dance" audition by Brandon Norris
http://www.youtube.com/watch?v=UpjXY8WKmQA - My favorite "All That" on America's Got Talent
http://www.dailymotion.com/video/x1eylw_all-that - Another "All That" clip
http://www.youtube.com/watch?v=mzkXk37tt3M - these kids are sooooo cute
http://www.youtube.com/watch?v=_g3clmKODHE - Umpa Lumpa performance at StarPower competition
http://www.youtube.com/watch?v=GSn7c5Xx4PI - good performance
http://www.youtube.com/watch?v=iKftNedwZnc - 13-15 year olds precision cloggers
http://www.youtube.com/watch?v=UUeLRb2WBGo - traditional cloggers in competition
http://www.youtube.com/watch?v=d9DABqqOpNw - Sample of National American Competitions
http://www.youtube.com/watch?v=MCQKveG9qDw - Duet - "The Hard Road"
http://www.youtube.com/watch?v=OPJzaTF8Y60 - on Hee Haw
http://www.youtube.com/watch?v=z8T_MbDdLHw - people of all ages can do it!
http://www.youtube.com/watch?v=FtcgqmPs40Q - another performance
http://www.youtube.com/watch?v=C3wPlB2I79Y - Singin' in the Rain - Australia - this is great!!
http://www.youtube.com/watch?v=_efvDpjtYLE - Great Medley - Hillbillies Cloggers
http://www.youtube.com/watch?v=cGPHFt97xkE - first 1 1/2 minutes painful, but it does get better, keep watching!!!!
http://www.youtube.com/watch?v=jqkI4nFmNec - Wow! (High Horse) Rainbow Cloggers
http://www.youtube.com/watch?v=nFOx2kqv76w - Wow! again (Sugarfoot Rag) Rainbow Cloggers
http://www.youtube.com/watch?v=R9P4WvmpsB8 - (Hillbilly Shoes) Rainbow Cloggers
http://www.youtube.com/watch?v=4tXRDhgn0fI - I like this song!
http://www.youtube.com/watch?v=8mzC2L7L-wI - Rockytop
http://www.youtube.com/watch?v=npdOna1UIDA - Celebration!
http://www.youtube.com/watch?v=zBgpGEIU9z4 - Locomotion - a friend from Texas is in this one!
http://www.itap2.com/video/clog.htm - something other than youtube... a couple of clips on one page
http://www.doublestep.net/video.html - great performances
http://www.youtube.com/watch?v=wx35LnBSkiw - Hi Horse Cloggers
http://www.youtube.com/watch?v=hiAVnbWehwE
Other Forms of Percussive Dance
http://www.youtube.com/watch?v=yDxnWA37fL8 - The Step Crew - very impressive
http://www.youtube.com/watch?v=AO750kG6Fe4 - Can her feet move!!
http://www.youtube.com/watch?v=bdq_43OYHpk - Ira Bernstein
http://www.riverdance.com/htm/multimedia/video_clips/index.htm#-River Dance clips
http://www.offjazz.com/vid-tap.htm -Tap Steps
http://www.ashamstompers.com/main.htm - Red River Jig/Square/Clogging performance group out of Manitoba
Also look at a fans site for more current videos of Asham Stompers
http://www.youtube.com/user/jynxiegirlhotmail
Want to find out more about clogging, go to the Clogging Links page
Kerri's Youtube Playlist Miscellaneous and Interesting videos
Just for Fun
http://www.youtube.com/watch?v=dMH0bHeiRNg - comedian dance through the ages - worth the watch
Videos Available for Purchase
Thunderfloor - Bob the Clogger (turn speaker volume down)
Ira Bernstein - Ten Toe Percussion
Jeff Driggs Dance Packs
How to Clog - Russ and Lelia Hunsaker