Tutorial for easy DIY knot headbands. Cute, simple look. There's also a quick tutorial near the bottom of the post about making one of these out of a non-stretchy fabric, sewing part of headband to be more elastic-like.
FISH DIY: Ribbon Goldfish by Vera Yates Ling for LoveMyTapes. Originally created as a greeting card emellishment, but would be so cute as a barrette for a fish-themed birthday party. DIY - includes full instructions and pictures.