The folks at Craftzine has an awesome video tutorial on how to make LED embroidery for those of you trying to mix LEDs with your latest embroidery.
This picture of a frog catching fireflies is embellished with lights that bring the bugs to life. Conductive thread is the magic ingredient, bridging the gap between rigid metal and soft floss. To make a stitched scene light up, combine traditional embroidery techniques with a few common electronics components. The possibilities are endless, and the result is an artful conversation piece.