FC0009 - October 1942

9-72 Treasure Island

Barks made one of a series of adventure paintings with an overall reference to ideas from the treasure island story that he and Jack Hannah portrayed in their joint story FC0009 Pirate Gold. The front cover for same was vaguely identical to the painting except for the presence of Scrooge, the nephews, and the backgrounds as well as the absence of Captain Yellowbeak.
Barks later painted a rather precise rendering of the initial cover in 1-76 Pirate Gold, although he added the nephews in the background.

FC0189 - June 1948

21-72 Old Castle

Scrooge was certainly part of the adventure story in FC0189 The Old Castle's Secret, as the 5 ducks visited his ancestral home in Scotland. But Barks did not incorporate him in the accompanying cover. This was remedied in the second Castle painting (in the first one, 24-71 Old Castle, Barks made a rather close rendering of the cover). Now Scrooge is suddenly present, which is only logical as he was the most important character in the story.

FC0275 - May 1950

1-73 Blue Persia

Barks liked the motif from FC0275 Ancient Persia so much that he made 4 versions of it. In the last one he incorporated Scrooge instead of the menacing professor.

WDCS130 - July 1951

4-74 Slow Boat to Duckburg

The gag cover shows a man in a motor boat in the background. In the almost identical painting Scrooge replaced him.

FC0495 - September 1953

3-73 Treasure Island

In 1973 Barks made his second version of the treasure island motif. It is almost identical to the first one except that the backgrounds differ. Both paintings borrow ingredients from a gag cover, namely the one from FC0495, in which the 5 ducks are present in a sequence remindful of the painting.
Barks was never especially interested in titling any of his artwork, so he simply booked the new painting under the same title.

FC0495 - September 1953

10-73 Isle of Golden Dreams

Shortly after the third treasure island painting emerged, but now under another title. The artwork is very close in appearance to the first two except for the backgrounds.

WDCS108 - September 1949

124-82 Sailing the Spanish Main

Barks made a total of 8 sail boat paintings that were almost identical versions except that Scrooge was incorporated in the last one. It was ordered jointly by two of Barks' business associates.

FC0009 Pirate Gold - October 1942

129-85 Return to Morgan's Island

Barks finished his 5th treasure island painting, and it was made years after the foregoing. In the artwork we are treated to new scenery as well as ingredients taken from the original story, namely Captain Yellowbeak and the menacing skeleton tree. The selected panel scene (which was drawn by Jack Hannah) is partly remindful of the painting motif.
Barks came up with a new title for the artwork. The name Morgan was a reference to the pirate Henry Morgan, whose personal chest was found by the intrepid explorers in the island cave.

FC0223 Lost in the Andes - April 1949

136-89 Return to Plain Awful

The basic idea came from FC0223 Lost in The Andes from 1949. In the painting Barks allowed himself a few additions: Scrooge was not a member of the story's expedition and the Junior Woodchucks (represented by the flag) were not even invented at the time. Furthermore, none of the square eggs in the story were golden ones.
The American artist Keno Don Hugo Rosa actually made a sequel to Barks' story 40 years later. It was AR130 Return to Plain Awful, and in it he featured the Ducks - plus Uncle Scrooge - revisiting Plain Awful.