I'm sure I'll have no problem remembering to download the new one each month!
Edited to add:
To set as your wallpaper, click on the thumbnail to make open in a window and then on the larger image right click and hit "Set as Desktop Background" and for me I chose the "center" option.
While visiting the Cabin Quilter's Blog I had fun going thru the archives of past desktop calendars that she has shared in the past -all 24 of them! CLICK HERE to take a look at them. They are all so pretty! ;)
Love from Texas!