I found the early Yana Cova hardcore picture set on www.dr-hardcore.com
two versions, 1 is under her modelcard and the other is in the members forum (listed as jana cova, not yana cova)
http://www.insidetwistys.com/147/?t1/revs=tcpla
http://galleries.sexy-babes.tv/hg/11/?content=jncpianoty&nats=MTAwMDc1OjM6Mg
http://galleries.sexy-babes.tv/hg/09/?nats=MTAwODAyOjM6Mg&content=jncwtlngtrot
http://galleries.sexy-babes.tv/hg/02/?content=jncsktbtsot&nats=MTAwNjkxOjM6Mg
http://www.suze.net/preview/foreign/f-jana-cova.jpg
http://www.divxfile.com/Jana-Cova-gallery/
http://www.hustlercentral.com/hg/hustler/1/jana_bella_2.php?join=hnprs_hg_9445
http://www.ragingpornstars.com/clubjenna/jenna-and-jana-cova/free-34.html
http://adv.alsscan.com/alsscan/a5cu8/d67y/tgp.html
http://www.xxxhorror.com/TGP/yana_cova/bedtime/index.html
http://xxxhorror.com/TGP/yana_cova/table/richi-4-24-03.html