Could you add some pictures? I'm getting some weird effect watching the video that when I mouse over the scroll bar I get images of a different movie from what's actually playing on my screen, so I have no idea which of the two you want identified.
DGL-028 is the video I see previews from when mousing over the scroll bar. However, the video that actually plays for me is MESU-18 starring Nozomi Sasayama. No idea why it's doing that.