Best suggestion is to just dive in and see what you get! That’s how all of us power-users started (and had to start, really). When you get an unexpected results, that’s a perfect time to come to this forum and ask more, and we will do our best to help you.
There is no established formula for this stuff; all of us who are more advanced in this have our own little techniques and tricks we’ve picked up ourselves.
If you want more guided examples, you can look here:
Just don’t try to overcomplicate prompting. It’s simply a matter of asking for what you want in the best way possible. Being clear, concise, and as detailed as possible goes a long way.