Could be your video/graphics driver needs updating. Do the images print okay
even though you can't view them?
Read the third FAQ here.
http://ed.mvps.org/Static.aspx?=Publisher/FAQs

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Mary Sauer MSFT MVP
http://office.microsoft.com/
http://msauer.mvps.org/
news://msnews.microsoft.com
>I have created some large publisher files that need to be saved as 150dpi
> TIFFs for printing. I have done it in the past with no problems, but now,
> when I save them as TIFFs, they show up as blank boxes in my file. How do I
> get them to save correctly?