The most common threat they use is youtube links. They may threaten FB posting, but then they run the risk of mass exposure as a scammer to others, and would have to make up a new profile and get their "fake friends and associates" back onto the new profile. This takes time and some work, and scammers do not like to work, unless the potential target involved has a lot of money that they think they can grab, and they believe them to be scared enough to pay.
They could host them on a porn site, but your friends would be very unlikely to click on those, so it's not that common.
You can set up Google Alerts to notify you if any personal names, addresses, phone numbers, or whatever details the scammer has on you are posted with a link. If something shows up, you will get an email from Google.
Feel free to spread awareness of scams any way you have an opportunity. Some have been interviewed by newspapers and magazines, some have done training sessions at community centers, schools, etc. Some Governments have taken small steps toward attempting to make dating sites safer. In Australia, they have voluntary guidelines that were drafted this past year by a Government Agency and have gotten a few sites to agree to adopt them on their sites. But there is no accountability or enforcement involved in them. It's left up to the dating site owners to attempt to adhere to them.
Some members of this site, myself included, were asked to give suggestions to the ACCC for inclusion in the guidelines.
Read the Best Practice Guidelines of Dating Websites here:
http://www.accc.gov.au/content/index.ph ... uidelines/Please post all details of your scammer here on the forum. Important Information section has help and instructiuons on how and what to post. Please remove all your personal information from your posts. We only want the scammer's details, not yours. Thanks for posting them.