Girls in pain: http://www.beckys-dungeon.com/sswmv04.html
Whipped ass: http://mistressofpain.com/content/wh...eo/v04401.html

These two are pretty severe (I warned you)
Nailed tits: http://www.beckys-dungeon.com/emain/mpg/hwt.htm
Burnt tits: http://www.beckys-dungeon.com/emain/mpg/brnt.htm