You may remember Perler beads from first ... and shoots out a PDF of the bead pattern, which should be more than enough for all but the most complicated design.

Place the perler beads on the pegboard, following your chosen design. Once the design is complete ... fab project inspiration ...

This pattern uses 205 pastel blue, 160 white, 37 bright green, 25 red, 168 brown, 16 cotton candy, and 10 light brown beads.