You can download Commodore 64 disks from these Internet Archive links:
(the [a] represents alternate copies of the same disks; you don't likely need every version.)
The Bard's
Tale Screen Saver by Scott Nelson features
the artwork for the monsters of the series from the Commodore
64 version. (Most monsters are from The Destiny Knightand
I think only a couple from Thief of Fate).