FamilyCorner.com: Costume Ideas - How to make children's costumes and Halloween makeup. - http://www.familycorner.com/dir/Family/Holidays/Halloween/Costume_Ideas/
FamilyEducation.com: Costume Ideas - Parents share their experiences with which costumes work for elementary and middle school students. Includes age range, materials list, and instructions. - http://www.familyeducation.com/whatworks/item/group-index/0,2554,1-9696,00.html
Paper Mache Masks - Make a simple mask using paper; suitable for ages 4-12. - http://www.kinderart.com/multic/machemask.shtml
Virtual Halloween Costume Fashion Show - Visitors to this site have contributed photos of costumes they have made for their children; instructions included. - http://familycrafts.about.com/cs/halloweentheme/a/092500a.htm
Brak Costume - Photos and descriptions of the steps involved in creating a costume version of the cartoon character. - http://www.kevinfreitas.net/projects/brak/
Sesame Workshop: Magician in a Moment - A quickly made magician's costume. - http://www.sesameworkshop.org/parents/activity/article.php?contentId=16804
Halloween Costume Ideas for Kids - Costumes to sew or make for kids - angel, Superman, baseball player, Harry Potter, Jack of All Treats, and penny. - http://www.twilightbridge.com/hobbies/festivals/halloween/costumeideas.htm
Halloween Costume Ideas - Includes pointers, tips, a long list of specific character suggestions, instructions for simple costumes, and links to costume sales sites. - http://www.costumeideazone.com/
Whip Up Your Own Halloween Costumes - Two quick costume ideas for parents of preschoolers: Trick or treat bird or an alligator. - http://www.poconorecord.com/1999/lifestyl/tdo77997.htm
Homemade Halloween Costume Ideas - Ghost, soda pop can, clown, several dozen others. - http://www.robinsfyi.com/holidays/halloween/costumes.htm
Homemade Halloween Costumes - Parents write in and describe costumes they have made for their children. - http://www.childfun.com/schoolage/hal_costume.shtml
Spend Time With Kids By Making Halloween Costumes - Costume ideas and encouragement to spend time making a costume with a child rather than just buying one; from Mississippi State University. - http://msucares.com/news/print/fcenews/fce98/981002bf.htm
Costumes for Halloween or Pretend Play - Costumes made from materials at home, including army costumes, frog, butterfly, eyeball, flower, popcorn, scarecrow, Harry Potter, and several dozen others. - http://www.kidsdomain.com/craft/_hcostume.html
Frugal Halloween Costumes - Costume ideas for using dark clothing, such as dark pants and jacket. - http://www.20ishparents.com/holiday/halloween/frugalcostumes.shtml
Halloween Hangout-Quick Costumes - A dozen or more simple to make, classic costumes. - http://www.thefunplace.com/halloween/costumes.html
Halloween Costume Closet - Resources, tips, and do-it-yourself projects for costumes. - http://www.fabriclink.com/Closet.html
Kids' Halloween Costumes - A few suggestions for making simple costumes for babies and small children: angel, backwards person, Barney, spider. - http://www.stretcher.com/stories/960930a.cfm
The Bridge School Halloween Costumes - An archive of instructions for children's costumes. Includes costumes suitable for children with limited mobility, including kids in wheel chairs. Photos. - http://www.bridgeschool.org/about/about_halloween.html
Halloween Costume Construction - Information on creating costumes with a focus on Xena. - http://www.talisweb.com/halloween/