Okay, so Photoshop and I aren't exactly bosom buddies. But we are getting to know each other a bit, which is why I thought making a desktop calendar should be a walk in the park. Two hours later, it's finished (and I'll be a lot faster next time), but I'm thinking my PS skills could use a bit of practice.
Here is a link for the 4x3 (Standard) Monitors.
Here for 16 by 10 (Widescreen) Monitors.
And here for 16 by 9 (True Widescreen) Monitors.
Many thanks to Evan, who helped me out with monitor sizes, and figuring out how to get this to work.
And yes, I know September started yesterday. But if I let details like that worry me, I'd be up all night.