I've now looked around for Erotic/Nude sites that have Czech girls.
Hegre has them:
New Nude Cash
I believe all these CCBill sites have Czech girls too:
MC Nudes
Femjoy
BCash 4 You
Nubiles
Evas Garden
Just Teen Cash
OT Cash
X Art
Zemani
Met Art Money (Met Art, Errotica etc..)
Torrid Art
Martin Krake
MUSE
Beautiful Nude