I am never one to talk for someone else's work, so I will let Jeremy take it from here.
"It's meant to be slightly ironic with the vintage baseball type denoting sports and anything/everything vintage. As a designer, we get so wrapped up in crap that only matters to nerds like us. Meanwhile, there's a world out there that needs our attention."
Seems like Jeremy wants to make a real change with his resolution. If you like this wallpaper, Jeremy wanted to let you know about the unearthed pictures. A site to make a difference.