you could do a facing Marci Baker does a really good tutorial here...
http://www.youtube.com/watch?v=lwPe_84GBfY
Or here Marci shows how to bind inside corners which a GFG has many of those. lol
http://www.youtube.com/watch?v=4VGNcDoI-R8
Here is Marci's tutorial on how to do "odd" ouside angles...
http://www.youtube.com/watch?v=Vci9-li3aYU
Here is a picture tute for doing an actual binding like Marci's if you watch the tutorial on youtube and then use the pictures from this site for step by step refresher its pretty much the same!...
http://www.thatgirlthatquilt.com/201...-tutorial.html
Good luck!