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For now,  I don't see any changes needed to traditional linking methods. Most people who are not marketers probably are going to be slow to use Google Plus, since they've already invested their time into Facebook. You should always be building links to your site as if search engines didn't exist anyways - that's just a good practice for link building. You should be getting links on topical sites where your target audience already is. Even if Google Plus does somehow get anywhere near the amount of users as Facebook, I just think the privacy issues and monopoly issues will surface. That will force Google to ease up on the forced exposure of their own products in order to make it look like they are being fair in the eyes of the Government. But, stranger things have happened!

Yes.

Thanks for your response. A few weeks ago we actually posted the pictures right on the page. This page is indexed / followed- everything. Google hasn't penalized the site or anything like that. If anything, it is helping his visitors by showing his work. So I guess until Google can "see" the image, keeping them on the page will be the best option. Thanks!

I'd only move it to a subdirectory if I could somehow link it (or integrate it to some level) from the main domain/site as well. If not, you could keep it on the new domain and link to that domain from the old one with a proper anchor to give it a boost, and since it's topic related it will indeed give it a boost.

I'm going to head this route....thanks a lot for your help!

Lots of universities have a veterans association or a page where veterans benefits are posted.  You can try queries like this one for Stanford to identify potential link pages.

Actually, I just stumbled across this, and I'm very glad you updated it! Thank you, Ruben