In celebration of the 25th anniversary of Slipknot‘s self-titled album, Shawn “Clown” Crahan shared a series of photos. The comments were disabled on all but one of the posts, in which the founder said so much in just two words: “Thank you.” This year has been about both reflection and the future for Slipknot. They publicly welcomed new drummer Eloy Casagrande into the band as they pay homage to their classic debut, which was released on June 29, 1999. Clown shared one vintage photo of each member — Paul Gray, Joey Jordison, Mick Thomson, Craig Jones, Chris Fehn, Corey Taylor, Jim Root, Sid Wi…