Looking around Wikivoyage, you may notice a lot of red-linked images. They are a hold-over from the era before we were hosted by the Wikimedia Foundation, and need to be replaced!
For a full list, see Category:Pages with broken file links.
If you are curious as to what the old photo was, you can find it on the old site by adding "-old" to the url. E.g., if you are looking at Havelock Island (http://en.wikivoyage.org/wiki/Havelock_Island), go to http://en.wikivoyage-old.org/wiki/Havelock_Island.
Sometimes an image with the same name (such as PIC3025.JPG) exists on the old site and commons. In this case, the wrong image may display in an article, sometimes completely irrelevant to the article text. Please help remove these, and replace them with new and relevant images.