hemi im sure youre aware that if youre canadian you dont need any visa to visit thailand for up to 30 days, its only if youre staying for over 30 days you need to request a visa which are easy to get at the airport
http://www.thaiembassy.ca/en/visiting-thailand/visas/general-visa-info/canadian-passport-holders
http://www.immigration.go.th/nov2004/en/base.php?page=procedure