Thanks! I use all sorts of Photoshop trickery -- I play with hues & saturations & color adjustments & photo filters & duotones & pretty much everything. I tend to play around and experiment a lot and just give in to happy accidents.
I've been looking at your gallery and I've concluded that your style is amazing and is something I would love to work towards. I do have an inquiry as well, How do you start your character concepts, do you start with the lines and circles (How to Draw Ahsoka) or do you just straight up sketch? It would be helpful to know, and btw, I've changed my favorite artist to you, this stuff pwns.
The internet's the key -- develop your own art blog, join a bunch of art forums and just start posting your work and getting the word out about your blog/website. I really think that's the best way to get noticed these days.