Four links to online image resizing services, all of which will keep the newsroom from needing Photoshop.
Use transparent .PNGs and background-colors to throw around consistent gradients without spending days staring at PhotoShop’s pixel ruler.
See something in the real world you’d like to turn into a PS brush? Ink it, scan it, and follow these directions.
Another diagonal pattern method.
Basic tutorial on the pen tool, good for learning Illustrator as well.
Web 2.0 photoshop tutorials.
How to make your own grungy brush in photoshop.