Here is a selection of Vixen and related videos which are currently available for viewing on YouTube :
(Unfortunately a lot have been removed due to "terms of use violation" and "copyright claim by Viacom International Inc." crap. Edit: I found some more, added at the end.)
Madam X - High In High School
Roxy - drum solo, Dusseldorf '89
2006 tour : Cruisin' solo
You Wish , from solo till end
How Much Love extended solo
Slideshow of pictures of Vixen from San Diego, 1989
Vixen (Whisky 23/06/06) - Cryin' clip
Vixen - Cryin' Live Rockzinante, Spain 2006
VIXEN - Edge Of A Broken Heart (Live in Sweden)
VIXEN - Cryin' (Live in Sweden)
Roktopuss - Dog Bite live Halloween 2006
Roktopuss - Rock Me live Halloween 2006
Vixen at NAMM 2007
Vixen - Edge of a Broken Heart
Vixen - Edge Of A Broken Heart (2nd version)
Vixen - Cryin'
Love Made Me - Vixen
Vixen - How Much Love
VIXEN Performing HOW MUCH LOVE on The Arsenio Hall Show
Vixen - Love Is A Killer
Vixen - Love is a Killer, Bradford Rio 4 Aug 2006
Vixen - Not a Minute too soon
Vixen - Love Is A Killer Unplugged
Vixen - Edge Of A Broken Heart live Spring Break 89
Also you can see the Bubble video for Deadender in the first episode of Rock n Roll TV.