Dropzone.com is a good place to start with a decent amount of international listings. Worst case you can at least find a few drop zones to shoots emails to in hopes they might have something come up. Your PPL wouldn't be useful in the US, but if you could get your ratings transferred over to Canadian you could then convert them to American with just some paperwork. I'm not sure how a lot of the international conversions go, but going FAA to Canadian just took me a medical, two written tests and a few hundred dollars. The biggest hangup coming to America though would be your ability to secure a visa, unless you have American citizenship already. You might be able to get around it by flying one of the many N numbered aircraft that aren't based in the US and I know a few dropzones fly their planes down to Central America for the winter. There was a company somewhere by Philadelphia looking for a turbine pilot that wanted to work 6 months in Latin America, but Spring isn't too far away now.
You might also want to look into flying in Africa. I know a pilot that was in the process of getting his ratings converted and taking a job flying caravans in Uganda if I remember right. He followed another American over there who said nothing, but great things about the experience.
Honestly I'm a bit surprised their isn't more of a shortage in Australia or New Zealand for pilots.