Ghosting and monitor settings for Xwindows

Hi, I noticed on some windows that overlap each other I can see a faint line continuing down the edge of the top window corresponding to the buried edge of the bottom window. Is this because my monitor clock rates or other settings are incorrect? I have a Neomagic chip so I am using the vga16 serve

Xdvi doesn't scale!

Hi, the size of xdvi doesn't scale. I can call it up with -geometry axb but that only controls the window size. The layout of the controls are too large and I can't get the lower part of the controls on my 800x600 resolution screen without running a virtual desktop. Any suggestions? Thanks in adva