A new KB has released regarding some visual elements being incorrectly displayed when using the RDP protocol to connect to a Windows Server 2008 R2 (or Windows 7) machine.
“…Assume that you connect to a computer that is running Windows 7 or Windows Server 2008 R2 by using the Remote Desktop Protocol (RDP). The aspect ratio of the computer that you are connected to is displayed wider than a standard display aspect ratio (4:3) in full-screen mode on your local computer. In this situation, some visual elements are displayed incorrectly in the Remote Desktop session. For example, a file in the enhanced metafile format (EMF) cannot be displayed correctly.
This issue occurs because the GetDeviceCaps API returns the incorrect HORSIZE value and VERTSIZE value…”
Source and fix: http://support.microsoft.com/kb/2768741