When sending him pictures, keep in mind that all of the Airliners.net pictures are copyrighted by their respective authors, and cannot be used/modified in another way publicly without their permission. So use other images that are royalty free, or your own images.
N17085, one thing...
Posting one or two images isn't the end of the world, but don't do it so massively - Some people also have slow connections. Why do you think airliners.net makes everyone post thumbnails of images in the database? It is also considered rude to post so many images (all?) from that page in another place or forum, since that equates to "bandwith theft". (His server is being hit, but not his pages, so he gets no credit) I was just posting one of the images to pique peoples interest in following the link to his site.
Don't go overboard... Just a friendly tip.