OK, I've searched every thread containing the name 'Leona' that I could find. Either she's brand new or she's on other sites under other names.
http://www.kindgirls.com/gallery/metmodels/leona_32821/leona/12/0
New 7/27/2008
http://www.metmodels.com/covers/080727-LEONA-Rylsky-117-1474.html
http://hosted.metmodels.com/MM_RY_86_588/
http://hosted.metmodels.com/MM_RY_46_490/
http://hosted.metmodels.com/MM_RY_54_912/
http://hosted.metmodels.com/MM_RY_96_111/
http://www.thenude.eu/Leona_B_9330.htm
http://www.thelifeerotic.com/model/leona-b/
http://fhg.thelifeerotic.com/2012-07-04/Be_Taken/
http://guests.met-art.com/model/leona-b/
http://hosted.met-art.com/met-art_ry_94_598/
http://nude-gals.com/model_page.php?model_id=376