"This is my advice: those who prefer virtual romances should be much more prudent.
One professional British man was so taken with the photograph that he sent "her" several thousand pounds, spurred on by a sob story from the nurse about her disabled mother who needed nursing care while she came to visit him in Britain.
When he discovered the truth, he was too embarrassed to contact the police.
All of them hail from the far-flung outpost of Yoshkar-Ola, close to the Ural Mountains.
One willowy beauty is a hard-up nurse who is desperate to leave her impoverished homeland and start a new life with a man in the West. Another is a medical student, though she more closely resembles a nymph-like model from the pages of a glossy magazine.
One of the names she was given was "Natasha Ivanova".
After complaints to the police, they discovered to their shame that they were being sweet-talked on the web by a beefy, 6ft 4in Cameroonian medical student named Nde Saninong.
One remote city and so many beautiful women, all desiring nothing more than to fire the passion of British men.
Our pictures below show some of the stunning Russian ladies who have offered themselves on dating and marriage websites recently.
And a third is a glamorous 23-year-old who calls herself "Anna Safina".
In an email to one British man, Anna wrote: "I wish I could be with you.
According to investigators, the same photograph was also used to ensnare a 45-year-old German construction worker called Friedrich Deichmann, who eventually parted with €26,000 (£21,500).