Hi,
I'm planning on buying a 5.1 speaker set but have no idea where to position the speakers. I only have a small room and I guess it's set out in a slightly odd way but unfortunately due to 3 walls being taking up with doors and windows it's really the only way for it to go.
Here's a (very bad!) drawing of it.


I would really appreciate it if anyone could give me some tips and as to where the speakers should go.

Many thanks.