Animations can be done on programs such as GIMP or Photoshop. Add layers that look different, then save as a .GIF, and it will animate the layers. :3 I fail at explaining.
Bumping is fine, as long as it isn't constant. And it's not allowed in Oekaki.
I don't understand the last question. Like, put stuff in your signature? Or one of those clickable ones? :3
--In another town Don't let me forget
--In another town Mouth full of regrets
--In another town Please, place final bets
--In another town
[But I know I know I know]
[[--"Another Town" by regina spektor]]
--I used to be RedBlueGreen Characters, The Zoo ,dA I'm not very active anymore, but I still get on sometimes. <3