Yes - There is a small monthly fee for the server administrators.

This includes :

7 car slots per member.
Accepts up to 10 meg files.
Only downloads the cars you dont have.
Built right into the lobby.

Buy Now

To download:

1.       Once in lobby, click on CFM located at the top middle of the screen next to chat.

2.       To precede select a league from the drop down list, on the left.

3.       Select Mod from the drop down menu, on the right.

4.       Once Mod has been selected the two split screens will begin to show what you already have (on the left) and what is available to you (on the right).

5.       Select the skins you would like on the right, then simply click download at the top right of the menu.

6.       These skins have now been added to your files and will appear on the left.

To upload:

1.       On the same CFM screen, click upload located at the top left.

2.       Click register on the bottom left of this box.

3.       Enter your user information.

4.       Confirmation email will be sent to continue the activation.

5.       After receiving email return to the CFM upload screen.

6.       From here click on account activation on the bottom right.

7.       Enter email address and activation code that was received in the email

8.       Click activate, this will now activate your account.

9.       Check any skins on the right side of the screen and click upload, this will move them then to the left side of the screen.

10.   Your skins have now been uploaded into your league database.

Allowed file name characters=(AZ az 09+-_#) Max size for file is 10 megs.

NR2003 only at the present time, work for ISI Based games is being worked on for future updates.

NO
This is built around IE and tested with IE8 Firefox dosnt allow uploading directory path..
IE7,IE8 Make sure the following setting is enabled 

 Goto Tools -> Internet Options -> Security Tab -> Custom Level -> Include local directory path when uploading files to a server -> Make sure Enabled is
checked