To Install: click on your favourite skin, then click “open” then drag the skin
into the system skins window. Afterwards choose the “move and replace”
option.You may need to close and reopen Runecats Explorer to view changes.  
Runecats Skins.
User Skins.
Make Your Own Skins.
Submit Your Skins.
User Skins
Standard Buttons
MME butons
Runecats Skins