Even if you don't live in the USA you can help out! The donations are via Paypal which automatically converts the amount to dollars, and twaiter means you can still tweet at the right time.
I've emailed the UK SyFy channel already and I posted at the forums
http://www.syfy.co.uk/content/legend-seeker-renewal-campaign-season-three-urgent
with all the most relevant info and links.
I've made my donation, and I've signed the petition amongst other things. If we all pull together we can make a miracle happen :)

sign the petition: http://www.petitionspot.com/petitions/LOTS3
email Syfy channel: [email protected]
donate: http://community.livejournal.com/legendofseeker/550376.html

( twitter trend info under the cut, easy and free to do )