the reflections at bottom position was a great improvement respect the OD 1.9 previous version
but if you don't want THEM you can simply change the position to top\left\right or ...
for the bottom position (presuming you don't want the reflections for the Dock shown on your screenshot)
just open the OD Backgrounds > Zoomers > "Aero Reflecting" folder
then open the background.ini file (double click on it), and change the following values to zero:
HeightAdjust=0 ;new flag in 2.0 for making the background taller
ReflectionHeight=0 ;new flag in 2.0 to describe how much icon to reflect
ReflectionOffset=0 ;new flag in 2.0 to describe how much to offset the flection by
ReflectionTaperOffAmount=0 ;new flag in 2.0 to describe how much to taper off the reflection
ReflectionTransparency=0 ;new flag in 2.0 to describe how transparent the reflection should be
EdgeOffset= 0 ;new flag in 2.0 for moving the entire dock off the edge
IconEdgeOffset=0 ;new flag in 2.0 for moving the dock's icons off the edge
any way I suggest to backup the original background.ini file in a different place
and let me know !