Yes and I haven't yet seen a way to have the best of both worlds while maintaining a continuity of "look" from blog entries to image galleries. I can easily get LR to generate gallery pages with black background and link to them from my blog, but it would look like a completely different website.
Even though my current wordpress format has little "polish" when it comes to my image gallery, the nice thing is when you click on the piclens link to view a slideshow of any one collection, it opens a semi-transparent viewer window with a black background. So it's sorta like "good enough" of both worlds for me....for now.
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