This section is unnecessary actually...
Anybody who has half a brain and any knowledge of forums and the internet can get a sig for themselves..
But if you don't know, you can do this:
There is an option called user's C.P. on top side of the webpage after you login.
In that, you can edit your profile details such as email id, DOB, avatar,etc..
There you will find a tab called "Signature"
In this tab, there is a text area, where you can Type in anything as your sig.
Whatever you type in will appear along with all your posts in the forum.
To put an image as your sig, just use the codes"
" in your sig text area,
and in between the codes, just give the url of the image you like to put as your sig.
For custom sigs, just create your own sig using paint/photoshop etc. and upload the image in some image hosting websites.
A good example is "ww.freeimagehosting.net" Once you have uploaded, they'll give you the url and you can use it as your own signature image,like mine.
(my sig looks lame coz im too lazy to work on it
)
(example of a url: "http://www.freeimagehosting.net/uploads/ef4b67631c.jpg". This is the url of my sig)
If you find this useful, pls rate and comment
For more details just Google it