A new Disney TV Series, learn more at the link. http://www.slashfilm.com/dave-filoni-reveals-star-wars-rebels-logo-concept-art-and-details/#more-187059 To see more of the art- http://www.bleedingcool.com/2013/07/27/star-wars-rebels-logo-and-concept-art-revealed-at-star-wars-celebration-europe
There is now some concept art you can take a look at:
http://io9.com/a-whole-galaxys-worth-of-star-wars-rebels-concept-art-1446011292