Thank you for your application! I would like to give you some tips on what you can do to increase your chances to get accepted.
Please include the pictures you uploaded to the media gallery at your application post above, its quite uncomfortable without links. Additionally you could place the pictures in spoilers, so we can look at them one by one, like this:
Most interesting for us are screenshot of your themed builds to see your skills with our texture packs. Your houses already show a good wall structure with pillars in front and the main wall in the second layer. But they all need a lot of more details. Try to make more wall decorations, many details like crates, paintings, tables, chairs, carts, paths... and use more diverse materials. Half of your floating log plot is flat and empty, you surely can do that better: Make nice terrain everywhere in your plot, add a small stream and some more trees (try the /get logs command to get six sided logs, great for trees).
When you have new builds add more screenshots to your application above. Make a few of every build to show more details. Please also reply to this thread with something like 'update'. This will make us notice your new screenshots.
Aside from themed builds you can improve your chances to get Artist by helping with
>>jobs and plotbuilds<< as you already did. Try to stay very active with jobs. When you finished a task for a Designer, remember to ask the Designer to give points to your application as described
>>here<<.