James Harris organises a collection of জনপ্রিয় tropes used in storytelling, and gives examples of how some have been used in existent mainstream media.
An answer that turned into an প্রবন্ধ and so I পোষ্ট হয়েছে it here instead! Some ideas for those of আপনি wanting to have a go at parodying অথবা putting a twist on a well-known existent story.