I kind of love this piece of art. There's a lot that's funny about it, but Snowy licking up Tintin's blood is probably the best part. I'm not aware of a lot of grim n' gritty takes on Tintin, but this feels like a natural extension (and satire of) fandom's inherently dark leanings.
The piece is by Miguel Porto (visit his blog here), a Spanish comic artist who also does illustrations for educational books. His style often has the influence of Herge, but there's also Dan Clowes in his work and a whole range of other influences. I like it quite a bit.
Not all of Porto's work is like this Tintin piece. I quite love this one: