Although I'm not sure which versions they will work for. Liraz recently mentioned that he was uploading ESX/ESXi images and Xen images were to be uploaded soon after. If you look at TKL's SourceForge files you will see that the whole appliance range has been added with -xen.tar.bz2 at the end of the filename. I think it would be safe to assume these are Xen images. Have a go and let us know how it works out.
Xen images are already available on SourceForge
Although I'm not sure which versions they will work for. Liraz recently mentioned that he was uploading ESX/ESXi images and Xen images were to be uploaded soon after. If you look at TKL's SourceForge files you will see that the whole appliance range has been added with -xen.tar.bz2 at the end of the filename. I think it would be safe to assume these are Xen images. Have a go and let us know how it works out.