Strafe - Dodging 
http://www.youtube.com/watch?v=llPFzErXNE0
Look very familiar to anyone ?Key bind is possible and has been done 
this one i wouldn't consider it cheating either .

UT goty tricks
http://www.youtube.com/watch?v=YsD926zgI4s
http://www.youtube.com/watch?v=Q_ZP4MG0lac&amp;feature=related
http://www.youtube.com/watch?v=S37Z0VXW_mU&amp;feature=related
This is straight up cheatin lol
http://www.youtube.com/watch?v=9lcSMt-KFlM&amp;feature=fvw
Here is a good example of using what ya got to aid with out a cheat or thinking outside the box http://www.youtube.com/watch?v=x8dTYsacHx8&amp;feature=related
http://www.youtube.com/watch?v=0BGdQ-JMPf4&amp;feature=related
http://www.youtube.com/watch?v=pvZdarjEo5g&amp;feature=related

I dont think he uses bots anymore  but the dodging helps him out tons ,the rest is just thinking outside the box looks like here 
http://www.youtube.com/watch?v=69gBPoosbhc&amp;feature=related