Well, cuts are < lj-cut text="the cut text" > and links are < a href="the URL" > the link text < /a > (without spaces before/after < and > ) ...and if the problem's more complicated than that, I'm afraid I can't help! People are usually very obliging at helping with techie issues though, just put out a post.
And SQUEEEEE! at prospect of email art! *dashes off email to kind artist*