GLUB from Madrid spent the whole month of February 2014 drawing non-stop. You can now download his sketch book [pdf] and see some of the actual pieces here.
Glub Blackbook 2014
Colors, shapes and technical: 5 pieces by Tacos (Vitry/Paris) [via]
You live in a sad and buffed area…Who do you gonna call ? the Graff Mobile at 1800-MADTAGS
13 new pieces from Pallo, Finland.