Greetings from under 2 feet of snow.
I'm learning to use Photoshop after being a Corel-user for a decade. I've been practising by making some wallpapers and such. These are far from perfect, but perhaps enjoyable to put in your wallpaper rotation. Click the thumbnails for bigger.
(image from Hamlet, with 4-month calendar)
(productivity desktop with February-March calendar and segmented areas to arrange icons into groups)
All brushes and such used were free for personal use without credit.