Here's how you do it.

[Russki]

Make a new topic and title it with the name of your character.
Example; Catherine Alexeiovna Chekov.
Then in the message you put a picture of them
Example;

then you fill this out, easy as pie.

Age: The age of your character
Gender: Male or Female?
Species: Human, Vampire, Werewolf, etc.
Hair: What colour, length, style, etc. your character's hair is. If you want, you may post a picture.
Eyes: Their eye colour and shape. Again, you may post a picture.
Height: How tall your character is
Weight: The weight of your character.
Wearing: What your character is wearing. You may describe, put a picture or do both, doesn't matter. If you want to use pictures, www.polyvore.com is a great place for it.
Personality: Write about your characters personality, what he or she is like and such.
Status: Are they married, engaged, seeing someone, single?
Other: Anything you want to add, such as their home country or favorite colour.

TADA!

Now, go forth and submit characters!