Could you please give me a step-by-step walkthrough of how to use this prompt in Leonardo?
This guide must serve as my creative compass. It should help me 'execute the what' with consistency and strategy, without losing focus or voice.
Please include every minute detail of the settings in Leonardo required to create the best, professional, and eye-catching [YouTube video thumbnail] image that meets international marketing standards.
Write your answer in modern, elegant Bengali (India) that is easy to understand, yet maintains an international marketing standard — as if you're a close friend and a trusted authority on the topic, speaking directly to the reader in a one-on-one, face-to-face tone.