At the end of each chapter in the manga adaptation of Bakemonogatari by Oh!Great is an end card to promote the series. It is mainly done by famous manga/anime artists, inlcuding Akio Watanabe.
Bakemonogatari (manga) End Card
Chapter 014
Chapter 015
Chapter 016
Chapter 017
Chapter 019
Chapter 021
Chapter 022
Chapter 23
Chapter 25
Chapter 26