Hand embroidery takes this simple knit cardigan from plain vanilla to spectacular. I've saved two or three patterns I could embellish like this. (Okay, I probably have a hundred patterns I could spiff up like this!
Here is a great collection of perler bead, hama bead or fuse bead patterns for you to use with your own peg boards. You'll find all kinds of birds, insects, animals, flowers and transport perler bead patterns in this list.