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May I suggest that you have a look at membership of the Sedum Society. We run a superb Plant exchange including many of the things you offer and want.http://www.cactus-mall.com/sedum/Best of luck finding plants by the way.
Sedum pilosum.
I am afraid it is Monocarpic but it sets lots of seed and germinates easily, can collect some for you if you want.