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.
Mary Corbet of Needlenthread has video tutorials on many different stitches. Here's how she tackles the tricky French knot. It's really worth practising this stitch - look at the beautiful flowers in this photo!