Several of my latest baby afghan designs are boy-friendly. I crocheted them using "boy" colors of blue and white; a simple color change is all you need if you'd rather crochet a blankie for a girl.picture gallery, which features many more charts and diagrams you can use.
Blue and White Square:
I've created several placement diagrams featuring these squares plus others in the series.
If you'd like to see even more ideas, check out our free baby afghan patterns.