[solved] how to go back to iceweasel 10?

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http://crunchbanglinux.org – I installed Iceweasel 10 from experimantal repo some days ago. Made me very happy, because it was possible to install moonlight again. Now Iceweasel 11 is released, but installation went wrong. So... i want to go back to v10, but don't know how. Can i download the .deb somewhere? (HowTos)