Many buses are decorated with all sorts of advertisements, especially at the back. Here are some examples.

http://www.hksbp.com/advbus/takashi/051114d011.jpg

http://www.hksbp.com/advbus/twins/051114d032.jpg

http://www.hksbp.com/advbus/karenalam/051002d001.jpg

http://www.hksbp.com/advbus/stephaniecheng/050910d146.jpg

http://www.hksbp.com/advbus/nikichow/050910d123.jpg

http://www.hksbp.com/advbus/nikichow/050921d072.jpg

http://www.hksbp.com/advbus/karenalam/050708d141.jpg

http://www.hksbp.com/advbus/karenalam/050706d073.jpg

http://www.hksbp.com/advbus/fionasit/050828d002.jpg

http://www.hksbp.com/advbus/boyz/040626d049.jpg

http://www.hksbp.com/advbus/easonchan/040523d070.jpg

http://www.hksbp.com/advbus/jadekwan/040526d108.jpg

http://www.hksbp.com/advbus/joeyyung/04050432.jpg

http://www.hksbp.com/advbus/changhuimei/04050327.jpg