can someone tell me wher ei can download skins in this site ??
Indeed.
However there are many yahoo groups and websites where you can download skins. For example:
http://www.newpowerinc.com/insider/download.htm (http://www.newpowerinc.com/insider/download.htm)
http://www.alexff.com/stuff.php (http://www.alexff.com/stuff.php)
http://yearbook.freedomu.info/ (http://yearbook.freedomu.info/)
And there are many many more
Individual threads in the skins and release forums often have links.
i have one more question!
how do u make melee and how can u get make more then one skins for one charather
do you mean, 'how do you add a melee attack?'
If so what you do is. When you are making your character in the character creation tool then you click on the powers tab. If you click on 'add' then you will see a new screen with example powers, the first tab of which is melee attacks. From there you can just add a defult attack or copy another character's attack.
To add multiple skins for each char just copy the folder containing the new skin into the 'skins' folder of the mesh. Bare in mind that skins only work on certain meshes.
Some more answers can be found here: http://frworld.wikispaces.com/