This one's really easy, especially with the packaged candy coating you can get nowadays. I tried making my own ganache, but it didn't set up right, so I turned to the "CandiQuick" brand chocolate coating. They were good.
To make cookies:
Preheat oven to 350°. Lightly grease cookie sheets or line with parchment paper.
With a mixer, beat together the cake mix, eggs, and oil just until well blended.
Drop by tablespoons on prepared cookie sheets.
Bake for 12-15 minutes, until done but still soft. Allow to cool in pan 3-4 minutes, then remove to racks to finish cooling completely.
To coat the cookies:
Melt candy coating according to package directions. Using your fingers, dip each cookie into the coating, covering about 2/3 of the cookie. Place on waxed paper, and quickly press a pecan half into the top of the coating. Allow to harden before eating. IF THAT'S POSSIBLE!