Highlight the range you wish to "thumbnail"
Crtl-Shift > Edit > CopyPicture > Appearance AsShownOnScreen > Format
Picture > OK
Then pick an unused cell and right-click > Paste.......then grab a corner
and downsize the image........
Then if you wish, it can be copied into Paint Shop Pro and saved as a .jpg,
or whatever.........
Vaya con Dios,
Chuck, CABGx3