Just some basic lil' costuming things shown in a helpful (I hope ;)) step-by-step illustrated way... Not the most comprehensive list so far, but useful.

Fur-Hood -> Wig
Useful for costumers on a budget (wth some finesse can be made to look very non-budget tho *g*) or for those who, for one reason or another, can't get their mits on a rubies cat hood.

Basic Yarn Tail
Just as it says, the basic cut-&-tie method to making a yarn CATS-style tail. They're not authentic but close enough, and by far the most commonly used among fan-costumers.

Getting Long Hair Under Your Wig Cap
For those costumers out there with the seemingly endless hair (myself, with 26" of length, included) here's a helpful little way to get all those tresses bundled up neat & flat under a wig-cap to accomodate that seemingly too-tiny wig...