you can brobly get a purple link costume on ebay or amazon
Cosplaytrader.com is a good start! Alright you can make a costume or go to the good will and find a nice costume or you can find some clothes that would go with you costume a kid i know did that and went as a pirate!
A good Spiderman costume is a costume that resembles the character. You can make it yourself, or buy the costume, as it can be purchased from places such as http://www.spidermancostumes.com/. Including some accessories can give the outfit some extra oomph.
I found a very cool website at the related link. They sell all kinds of costume accessories. You can search what you want and design the witch costume, and also, this website can stimulate your imagination. Good luck!
Stoo!
Well you basically get some materials after annaylising the costume and then just finally make the costume. If you are not very good with sewing and other stuff like that try getting a ready made costume from a costume shop. Just ask peopple.
See the related link below. It's a great link - it also shows you how to make a Greek Goddess costume from fabric and from towels!
You can try cosplaytrader.comTry cosplaymagic.com ~ see the related link below .Try carboncostume.com to make your own costumes.Try trustedeal.com/Wholesale-Cosplay-Costumes_c15.html
Costume Castle or Costume express
Yes there is a video on how to make a lion costume. It is one ehow.com. The link is http://www.ehow.com/video_4993863_make-cowardly-lion-costume.html.
Moon Costumes made a custom one recently and it seemed to come out well. Check the link below. Otherwise, I used the link: http://www.coolest-homemade-costumes.com/pokemon-costume.html the winning costume turned out well.
I found athttp://www.buycostumes.com under "flower" there are costumes for kids and for adults. They are a good price and they look good. You can make your own costume if you want.