You can download the image from:
http://int80h.de/pub/railslive-0.2.1.iso
if torrent is not possible. More mirrors will follow.
railslive-0.2.1.iso MD5 hash - cac54b5f6b2b61397e4f52b45a3e7944
Check the Hash-Sum:
cat CHECKSUM.railslive-0.2.1.iso.MD5 cac54b5f6b2b61397e4f52b45a3e7944 railslive-0.2.1.iso
cat CHECKSUM.railslive-0.2.1.iso.SH1 ca758af8e49785daa45a627c5de1f6d1e3696b28 railslive-0.2.1.iso