Everytime you want to add a trade to your tradelist, use this button. A window with the form will appear. The site categories, trade settings and extra fields should be pre-filled with the default settings, but you can still edit them.

Site and webmaster info
Site name - Appears on the toplist (required).
Site URL - URL to send hits to (required).
Site categories - Enter as many categories as you want, separate by commas only (this means no spaces between the commas etc.).
Webmaster e-mail - Contact e-mail (used by e-mail sender).
Webmaster ICQ - Contact ICQ.
Webmaster IP - IP address of the webmaster of the site. Usually left blank when adding the site from your admin area.

Trade settings
See Settings.

Extra fields
Enter anything you want, it can appear in the toplist (description, banner url...). In settings, you can add them to webmaster page.