Bodie's Calendar is a desktop calendar with alarm and notes.

It features stay-on-top mode, minimizes to a desktray icon, supports drag 'n drop, you can search & replace text in the current note or across all notes, it is highly configurable, has a built-in image viewer, is multi-lingual (English, French, Italian, Portuguese & Spanish), and more.Not only does it offer a handy calendar which you can attach notes to any date, but it also serves as an alarm clock.

The built-in image viewer supports GIF (not animated), JPG, BMP, ICO, WMF, etc, image formats, and it even offers a thumbnail of an image.