Complex sentence: Their first "Official" release "13" (released on July 13th 2002) was made available for download along with album artwork, inlay art and CD label art for their fans to print up themselves.
Split into simpler sentences: Their first "Official" release "13" (Released on July 13th 2002) was made available to download in full. Along with album artwork, inlay art and CD label art for their fans to print up themselves.