Retrieving the image URL from an image field in Drupal 8 and 9 seemed pretty straightforward too. Even the solution for getting the image style URL from a simple image field can be found quite easily. Getting the image URL from a media field can also be looked up easily.
How override/customize/theme Drupal Views Exposed Filters form with a custom Twig template? Easy! Real working tutorial. Step by step in 5 mins.
How render/override/customize/theme any drupal form with and without a custom template? Easy!