I was forwarded a request for Penn State identity marks earlier this week. I sent the link to my mark download page with its collection of official campus specific marks; but really, if you regularly use the marks in web work, you need the Photoshop Custom Shapes.
I've made screen cap videos about how to make, install and use these custom shapes, but the Photoshop Help files give you what you need. The marks are important but hassling with them is silly- custom shapes make it so easy. I even have an Action that, with the click of a button, puts a properly sized and placed vector mark on whatever header I'm working on. Really.
On my download page, there's a larger set. It goes so far as to include two master marks- the "5"s in the date are old style numbers with extended, pointed bottoms. At small sizes the points fill in, so one mark has sharp finishing strokes on the "5"s and the other has rounder finishing strokes. There are considerations, too, when arranging this pile of vectors on a pixel grid- but for now, just install these shapes. You'll like 'em.
Maybe if I get around to organizing a graphics rodeo for the web conference we can talk about it.
forgot to say thanks for the link, dave! our poster in denver was well-received (so I'm told).