Love the view and nice open lawn, and can understand why you would want to screen the neighbors out when they are that close. Perhaps some bushes that grow 10-15 feet high near the road/property line would give needed screening of the neighbors without damaging the view or breaking up the property. With the slope, you could plant low growing bushes closer to the house, possibly creating a small front lawn followed by the larger lawn, and still block the view of the neighbors, or plant larger growing bushes as you move further away from the house.

Just did a search on Giclee printer service and many showed up. Link below was first one with many options. Here is a link that might be useful: Fine art printing

Mpix probably does it. I get all my enlargements printed there. They do a great job. Here is a link that might be useful: Mpix.com

I'm going to answer one of your questions because you will likely hear from others insisting that family photos do not "belong" in the living spaces of a home. I have no idea where that notion is even derived, because what could possibly be more "in" than the faces of those you cherish used as artwork? In my opinion, that's so much more preferable than some randomly chosen painting or print. Certainly a home should be personalized with that which reflects the people who live there, and it's obvious that the photos speak love to your heart. Hang them up and cherish them. I think it would be cool to hang larger canvas photos. Whatever you do, don't have your enlargements made too small.