Use a comma between two parts of a compound sentence if each part could stand alone as a sentence.
Mellette divided her paper into four sections, and she placed a photo in each quadrant.
If it’s a compound imperative sentence, do not use a comma unless the second verb could be misconstrued as a noun.
Select a rub-on and cut it out.
Select a chipboard letter, and glue it in place.
Use quotation marks around story titles. For more details on when to use italics and when to use quotation marks with heds, see Titles.