Here's an ornamental way to use clapboard. Create a sunburst on a gable end. Draw out your design on a template. Cut off the thick edge of the clapboards. Overlap each edge by half an inch and attach with galvanized nails. Work from each side toward the center, bottom to top, then cover the center seam with a trim strip.
For more on siding, consider:
Quick Tip: Installing Clapboard Siding
Wood Clapboard Siding Installation (VIDEO)
Siding Roundup: 8 Options to Beautify Your Home