Navigate to the Website: Open your browser and go to SteamGridDB [www.steamgriddb.com]. In case you don't know, this website offers custom artwork for many Steam games, including classic covers and logos.

Search for the Game: Use the search function on SteamGridDB to look for "Age of Mythology Extended Edition". Once you've typed in the name, you should see various grid images, logos, and banners for the game.

Browse Artwork: Look through the available artwork, focusing on those that match the original game's aesthetic, including:
Covers: The main images that appear on your Steam library.
Banners: Horizontal images used for the game's page.
Logos: Logos for the game which can appear in the game's title on your library.
Grid Image: The rectangular image that appears when the game was last played.
Download the Artwork: Click on the images you want to use. Save these files to your computer in a place where you can easily find them.

Covers: Right-click the current cover in your Steam library and select "Manage" > "Set Custom Artwork". Replace it with the classic cover you downloaded.
Banners: Right-click the current banner and select "Manage" > "Set Custom Background". Replace with the classic banner.
Logos: Right-click the current logo and select "Manage" > "Set Custom Logo". Replace with the classic logo.
Grid Image: Right-click the grid image and select "Manage" > "Set Custom Artwork" to update this as well.

Now, you've successfully restored the vibrant, classic look of "Age of Mythology Extended Edition" on your Steam library, bringing back the nostalgia and beauty of the original game's presentation. And with this, tell the devs they can shove the remake in that place.