I like the above work of Jamie Jasso, with the city landscapes, and the cigarette figures are really interesting. The simplicity of the cigarette and the form of the ashes caught my eye when i searched for new digital artist.
The next artist i found and have related to is Benjamin Starr, who does Digital portraits and has a nice choices of color that was extremely interesting to me at first. The website is
The artist that i can relate to and always think back to is Julie Mehretu, she has a great concept of layering and transperency that i can enjoy looking at.