Rules

A great collection of fake stickers from the London Underground.
[urban shit]

Within One Mile

Bundith Phunsombatlert's Art within One Mile: The Route from Central Park to Brooklyn Bridge [hyperallergic]

Thoughts on Romance from the Road

Victoria Crayhon
[this isn't happiness]

Faces Of Real Estate

Phil Jones inserts himself into local realtors’ advertisements.
[booooooom/world's best ever]

Urban Air

Urban Air, a kickstarter project by Stephen Glassman meant to trasform city billboards into bamboo habitats: reached it's financial goal at the end of 2012. 
[The Big City]

Smarter

Outdoor advertisements for IBM’s People for Smarter Cities initiative, created by Ogilvy France.
[Hyperallergic]

The Exact Time And Place

Timothy Thompson @The Arlington Arts Center
[ARL Now]

Movement

Ben Long's motion-blurred 19th Century oil landscape billboards.
[Ektopia]

Urban Plant Tag

Carmichel Lynch
[Neatorama]

"Billboard"

"Billboard" hand painted by Specter for Open Walls Baltimore.

[Public Ad Campaign]

Chesterfield

Joost Goudriaan 
*see also , ,

Kolotoč

Kolotoč / Merry-Go-Round documentation 2011 from sgnlr on Vimeo.

Kolotoč / Merry-go-round MAKING OF from sgnlr on Vimeo.

An Urban Merry Go Round from Vojtěch Fröhlich, Ondřej Mladý, Jan Šimánek and Vladimír Turner
[Ektopia]

White People

Hand crafted signs installed on abandoned store fronts by Specter.
[Wooster]

Risky Game

Didier Faustino created a swing set out of a converted advertising billboard for the Shenzhen-Hong Kong Bi-City Biennial of Urbanism and Architecture.
[recraft/notcot]

Desire

Brandalism
[rebel:art]

A Letter to Syracuse

Love Letter to Syracuse from Maarten Jacobs on Vimeo.

Steve Powers with Near Westside Initiative & Colab @ SU
[Wooster Collective]

Islam Is Welcome Here

"ISLAM IS WELCOME HERE - WE ARE A TOLERANT NATION"
"ISLAM IS WELCOME HERE - LISTEN TO THE PEOPLE - NOT THE POLITICS"
TrustoCorp
[Flickr]

And *sigh* a FOXNEWS report:

Site Specific

OX with Public Ad Campaign
[Urban Prankster]