About "x" cursor - it is because of compiz. You can start extra compiz instance for second screen. You need add new startup application. In "Command:" field add "env DISPLAY=:0.1 compiz --replace" without quotes.
About "x" cursor - it is because of compiz. You can start extra compiz instance for second screen. You need add new startup application. In "Command:" field add "env DISPLAY=:0.1 compiz --replace" without quotes.