*N.B. For some reason there are a number of articles on YouTube that have prohibited embedding.
From that sample I found the original material, and in that moment I discovered Sven Libaek and his life's work.
Crouching and Screaming - Wonderful 1978 illustrations by Outi Markkanen (Finland, b.1951) on Kuriosas. Visit the link for many more illustrations from *Kurnau ja Kamaluu*.