Looking forward to using Ultimate Facebook! Cannot get past

Looking forward to using Ultimate Facebook!
Cannot get past an error in FB when I enter the App Domain (our website is http://www.journeytothefatherless.com) hosted by 1and1.com
error message says
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Error
You have specified an App Domain but have not specified a valid integration URL.

journeytothefatherless.com must be derived from one of: Site URL, Mobile Site URL, Canvas URL, Secure Canvas URL, Page Tab URL or Secure Page Tab URL.
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I do not know what to do next. Any ideas?