Welcome!
To not encounter any noobness, I suggest you read these:
The Console https://powdertoy.co.uk/Wiki.html?id=using_the_console
Forum Rules https://powdertoy.co.uk/Discussions/Thread/View.html?Thread=543
General Usage https://powdertoy.co.uk/Wiki.html?id=general_usage_tutorials
Rejected suggestions https://powdertoy.co.uk/Wiki.html?id=previously_requested_elements
Pending suggestions https://powdertoy.co.uk/Wiki.html?id=requested_elements
Lua console https://powdertoy.co.uk/Wiki.html?id=lua
Hotkeys https://powdertoy.co.uk/Wiki.html?id=hotkeys
And certainly this page: https://powdertoy.co.uk/Wiki.html
Also, fancy text effects are taught from here: http://pastie.org/2133465
BTW, I'm a good helper if you need one.

Indeed! :3

Now this is advertising. :/
Me4502's mod is actually quite good indeed. "Mayhem Mod"(my lunatic mod) is quite funny, but outdated.