For October I made three pairs of blocks for the virtual quilting bees I am in.
A pair of string blocks for Sew Buzzy. There are many tutorials for this kind of block on the web, for example here.
These are stashbuster blocks for do. Good Stitches, the charity bee I'm in. The tutorials for these super cool blocks are by Little Miss Shabby.
And these are star fling blocks for Bee Europa. These blocks are only 9.5" square, and they give a really well balanced star. I mean if you turn the blocks or your head 45 degrees you see that the points are lined up that way too, cool (in a quilt nerd sort of way, I guess)! The tutorial can be found here.