You can start to create your own plank theme.
If you just want a dark theme to use right away, look at https://github.com/ChildishGiant/elementary-dark-plank. It fits very well with the default dark theme on eOS.
I found the solution to calibrate the monitor, the application is called DisplayCal
You install the .deb application
We will create the Color Profile to later install it in the system. In the application menu you can find new applications, open the Synthectic app (It comes included with DisplayCal), a large box will open with a lot ...
I have solved this issue for me. The permissions in the home folder were very strange -- root:root and 777. I changed them to the my user and 755 for directories, 644 for files, and all works now. If you're running into this and you don't have messed up permissions in your home folder, I recommend you check the solutions in this thread for more information.
If you don't find a solution on the Linux side, consider an IOS app called Phone Drive.
The app will start web and FTP servers on the phone providing direct upload/download access to your Camera Roll. Your other apps can easily "Share" their data with its temp directory, making nearly everything on the phone accessible to any device with a web browser or ...