Costumes can be created by adding textures to clothing templates, this provides
the base for clothing, prims can be created and used as clothing and clothes can
now be created using mesh.
Yes every episodes Tomoyo create the costumes for Sakura
I would have to say Candys the first and Costumes is the second or Costumes is the first and Candys the second.
There are all sorts of different costumes; From Animal costumes, to ballet costumes. So the costumes vary, depending on who was on the stage at times.
second hand shops
There are plenty of places in order for one to get inspiration to create funny Halloween costumes. However, one might want to check out the best Halloween Costumes in the past to create somethings news via the website the design inspiration.
second life or meez.com
no there arent
It depends on what costumes and decorations you would like to create. You can find some ideas for costumes here: http://costumeideazone.com/. As for decorations, the following site has a lot of great ideas: http://tlc.howstuffworks.com/family/halloween-decorations.htm.
you can find it at second life .com
minecraft
"Value Village" is a good shop with cheap,and stylish costumes. Although the most of the costumes are second hand, all of them are in good condition and set at a cheap price.
costumes that require minimal effort to create. I.e. strapping a green diamond on a regular hat and calling it a sim costume