Hi,
The place in Ontario to get succulents is Belgian Nurseries between Guelph and Cambridge, they easily have over 60 kinds. I treated myself to a bunch of their succulents this spring. I don't know if they do mail order - I've emailed them to find out - I'm curious too since it's too far for me to go without another purpose in the area. I can send you leaves from a few kinds, some seem to be much better than others at taking root, but my spotty watering may be the cause of that. No need for a trade I grew a bevy of plain jade plants from a friend's cuttings and will be giving them away to whoever will take them to make room for fancy geraniums cuttings to overwinter in the fall. Would you also be interested in a plant of 'Mother of millions'? It goes by many names. It grows mini plants at the edges of it's leaves, which fall off and take root where they land. From one plant I now have at least two class sets for a friend's children come September.

Here is the speedy Belgian Nurseries' response: We do not do any mail order, sorry. I am not familiar with any websites for propagating succulents, mixed results are quite common when taking cuttings/rooting from leaves.
Good to hear that you are enjoying the planters you made, succulents are a lot of fun to work with!

I am not sure where you are located, but can I suggest you ask a local recycling group at yahoo groups, or even Craiglist or Kijiji. Someone might give some to you for free in your home town if you ask nicely. Gardeners are like that.

Hi..if you email me at penmac@sympatico.ca I will tell you where you can purchase many different kinds of succulents.
Penny