Costumes: A Yahoo group for those who like costumes.
Giant Tomato and Other Unusual Costumes: Yahoo group discussing atypical mascot costumes; not fur-suit or sports oriented. Sharing includes such items as foam, inflatable, or basket woven costumes.
SCA-Garb: Yahoo group discussing costumes for and relating to the Society of Creative Anachronism.
Sewinghistoric: Yahoo group for people who love to sew period clothing. Sharing of ideas, troubleshooting, and convention and supplies information.