Enter the URL to the skin file on your web site into the "Wimpy Skin" field. Be sure to click the "test" link to the right of the field to ensure that the URL works. Also, the check box next to
When clicking the "test" link you should see something similar to:

... this is good because it is displaying the skin XML data. If you
receive some kind of error, such as "Not Found" or "File Missing" or
"Unable to locate X " then double check that you are entering the
proper URL.
NOTE: If you are using FireFox, FireFox may
display "This XML file does not appear to have any style information
associated with it. The document tree is shown below." -- This is not
an error, but rather FireFox is only stating that there is not a style
sheet associated with the XML file. Wimpy Skins do not require a style
sheet, so disregard this message.