I see 3 images referenced on that page only, and only 1 of them referenced is one of the ones you're having issues with because it's not there. My guess is either you or VSD didn't upload the files correctly.
When I try to go to files/oilcheck1.jpg this file is not there on the server so that's why it doesn't show up.
The only other 2 image files that are referenced on that page are:
files/oiltitle.jpg and files/linkback.jpg
Those 2 files above both show up so I'm guessing you didn't reference the 2nd missing file or didn't get it entered in VSD correctly or it doing something write when uploading it.
I'm not a VSD user so i'm not sure how to tell you to delete the files on the server and reupload them as I don't know how this works in VSD or doesn't work.... hopefully someone else will chime in here and give you some advice on how to do this if you are not already familiar with it. I know there's some kind of resync setting as well, but I don't know what that is supposed to fix.
All I can tell you is the oilcheck1.jpg image is not on the server although it is referenced in the code. No other image other than the 2 above that are page elements it looks like are in the code at all.
Hope that helps.