You can use 2 elements http://take.ms/u1tOl (After add you will see the Layout setting), remember that: the image thumbnail you upload must be same the size
To show the subcategories in specific category, please navigate to Products / Categories, mouse hover to category which you want to change and click “Edit” after that, change parameter of “Display type”
I can’t login to your admin with attach account, could you please send me the correct account? Or please remove this custom CSS code http://take.ms/uOR8H it’s global CSS class, please don’t write anything like that