Thanks for the link.
That article addresses the effect in InDesign.
In my case it's only visible in the printed PDF.
I'll take this discussion to the Acrobat forum, maybe I can find an answer there.
I assume this is a PS image, taken into AI, saved as an AI file and then brought into ID?
It could be anything, but probably due to flattening issues on PDF export.
This is your screen shot, background removed, the two colored rectangles added in ID, added text for "The Gathering," the PS file added and the drop shadow effect applied to the PSD file from within ID. Screen shot is from the PDF.
Take care, Mike
Bob's link was 100% correct, you've just probably read the InDesign Secrets post a bit fast. The PDF comes from InDesign right? That post details how to get it to come out without that problem.