I do online ads for private property sales. Could someone please tell
me how to find European or International Search Engines where I could
submit these ads? I currently use Craig's List, but am looking for
some alternatives, specifically, sites that International users would
use to search for real estate or investment properties in Canada.

We currently advertise on WebFinder UK and Google (selected targeted
countries)for our http://www.Triumph-BG.com site as well as
http://www.Bulgarianproperty-Bulgaria.com  It seems to work if you're
willing to invest the money for property buyers to find you.

...sorry that was http://www.BulgariaProperty-Bulagria.com (on their links page)

...sorry that was http://www.BulgariaProperty-Bulgaria.com (on their links page)

Oue site www.home.co.uk will soon be hosting such a service. For more
details and a sign-up form see:
http://affiliates.themovechannel.com/home/advertise.asp

I really appreciate everyone's comments and am looking into your
suggestions. It would seem that there is a real need for this type of
International service. I have some excellent real estate listings for
Canadian Investment Properties on selling4you.com and
blujay.com/canadianrealestate and get a good response from the few ads
that I currently have posted there. I would like to know of similar
sites abroad where these types of listings would get good exposure.
I'm off to do my homework now and will check into everything that has
been suggested here. Thanks again!

Here are a couple of sites that have German language to some extent
(not really important to someone interested in investment in Canada):

http://www.kanadanews.de/realestate.htm
http://www.canadian-estate.com/g-index.htm

These found with:  kanadische immobilien   (canadian real estate)

There are many other sites that came up with that search but some were
local to one or the other province, or they were for RE funds, or
seemed shallow in their offers.
And  - of course -  I cannot vouch for the the two mentioned.

<a href="http://www.triumph-bg.com/index.htm">Triumph Holiday Village, Bulgaria</a>
<a href="http://www.triumph-bg.com/bulgaria-property.htm">Bulgaria Property</a>

The most popular site in Germany is http://www.immobilienscout24.de/,
wich also offers the search of "Auslandsimmobilien" not just across
Europe, but also world-wide. Canada writes in German "Kanada" and is
listet among "Amerika" with all   north and south-amerikan states. If
you need help with the translation contact me by my website
http://www.bertkirchner.de/bertkirchner_eng.html

There are a number of portals that I use for
http://www.therightmoveabroad.com including rightmove, move channel,
prime location, new skys and a number of others.  Try typing in
property portal, property for sale or overseas property into google.

Thanks

Michael