If you have "being famous" as a goal, you're going nowhere

Try to make walk animations. It's the best way to learn character animation, because you'll find out how to distribute mass on your character.
Find a walk animation reference on Google, and then copy the poses into your animation.
Don't forget to use IK rig, which can be used by right clicking your animset > rig > rig_biped_simple.
Lock either the pelvis, the chest, or the collars to the hands.

GAH.

So does it support maps and content from the newer games, such as Insurgency, Contagion or CS:GO, without having to go and recompile it with Hammer and extreme violence?

Yeah, go on ahead. I don't think anyone wants to work with him anymore.

Dick move, smart guy.