Here's one for the corner:
http://www.youtube.com/watch?v=rA9dNbx6LIg#t=1m58s
Just replace astral with whatever > buffer and you should be able to lock it down and get over there.
When in doubt, use A bug, since it's the only one that can be spammed.
Also, don't forget about the fact that you don't have to teleport.
You can use bugs > bird/whatever > deceptive 3C. It works pretty well if you cover yourself properly.
Midscreen is always different, I guess. Just be smart about it.