Derek Ross on Nostr: Quick and dirty: Create an image that's 1080x1080 pixels. Create a smaller version ...

Quick and dirty:

Create an image that's 1080x1080 pixels.
Create a smaller version that 256x256.
Upload imges somewhere.
Visit https://badges.page
Sign in.
Tap create.
Enter the badge description.
Provide links to the badge and thumbnail image files from above.
Award badges to Npubs.