Oh, and legal stuff? Like copyright when using images or fonts. Important to mention getting permission or using free/royalty-free assets.
I should also think about examples or case studies. Maybe a simple example of a 9x12 layout. Also, software tips: using grids, smart objects for scaling images, adjusting colors for print. Maybe some shortcuts in Photoshop that could speed up the process. 9x12 album psd work
Wait, the user might not know about the difference between web and print. So explaining that could be helpful. Also, emphasizing the importance of bleed if they're printing. They might not be aware of that. Including a sample layout could be useful, maybe with sections for artwork, title, artist name, barcode, etc. Oh, and legal stuff