Id classify him as a possible cheater - since if you track thru some of his domains his address changes from Germany to Poland to Florida? And three different names as well.
http://www.adultbuzz.com/090402/090302_3.html also has some info
Greber, Jacek  
      Staszica 1a/6
      Gorzow Wlkp., Lubuskie 66-400
      Poland
      0048888206511
Domain Name: JLOVESFREEPORN.COM
Registrant:
           New Target Media Intl.
           (DOM-252686)
           Bolchener Str. 10 Berlin
           D 14167 DE
Domain Name: freemagsbucks.com
New Target Media Intl.
 1455 Tallevast Road
 Sarasota, Florida 34243
 US
 Domain name: JLOVESPORN.COM
Registrant:
 Porn Traffic Trades
 PTT Road 69
 Sarasota, Florida 34243
 US
 Domain name: JUSTMATUREGALLERIES.COM
Registrant:
           New Target Media Intl.
           (DOM-289685)
           1455 Tallevast Road
           Suite L6041 Sarasota
           FL
           34243 US
    Domain Name: porntraffictrades.com
Registrant: 
           New Target Media Intl. (DOM-223732) 
           Bolchener Str. 10 
           Berlin  D 14167 
           DE 
Domain Name:newtargetmedia.com
Registrant: 
           New Target Media Intl. 
           (DOM-223764) 
           Bolchener Str. 10 Berlin 
 
           D 14167 DE 
 
    Domain Name: not4kidsdesigns.com