Courses
Course lesson cover
Open a course lesson with its number, title, teacher, and time in one bold image.
- File types
- PNGJPEGWebP
- Size
- 1280 × 720 px
- Use case
- Courses
- Licence
- Free to copy and use in your own templates
- Source
- Made by thirds.ai with the open-licence Oswald font, original graphic marks, fictional sample names, and an original AI-generated example photo.

About this design
What you can make with it.
Course creators make one of these for every new lesson they publish. It shows the lesson number, the title and a short summary, the teacher's name, the length, and the level learners need. Change the number, title, and photo for each new lesson you release.
Your details
What you can change.
These are the words and numbers you swap for your own. The design stays the same.
- Course nameA short text.
- ModuleA short text.
- Lesson numberA short text.
- Lesson titleA short text.
- Lesson summaryA longer text with more than one line.
- InstructorA short text.
- DurationA short text.
- LevelA short text.
- CalloutA short text.
- FooterA short text.
{
"course_name": "Shooting on Film",
"module": "Module 03 · In the darkroom",
"lesson_number": "08",
"lesson_title": "Load and shoot your first roll of film",
"lesson_summary": "Learn to load a film camera with confidence, meter a scene by eye, and shoot a full roll before the light changes.",
"instructor": "Sam Whitfield",
"duration": "22 minutes",
"level": "Practical · All levels",
"callout": "Bring a loaded camera to the next session.",
"footer": "No experience needed. Cameras available to borrow."
}For developers
Make this file from your code or your AI tools.
Save your copy once, then send the new details with each request. Each finished file costs 1 credit.
curl https://thirds.ai/v1/image \
-H "Authorization: Bearer $THIRDS_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: course-lesson-cover-1" \
-d '{"template_id":"tpl_your_copy","version":1,"data":{"course_name":"Shooting on Film","module":"Module 03 · In the darkroom","lesson_number":"08","lesson_title":"Load and shoot your first roll of film","lesson_summary":"Learn to load a film camera with confidence, meter a scene by eye, and shoot a full roll before the light changes.","instructor":"Sam Whitfield","duration":"22 minutes","level":"Practical · All levels","callout":"Bring a loaded camera to the next session.","footer":"No experience needed. Cameras available to borrow."},"image":{"format":"png","width":1280,"height":720}}'{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "render",
"arguments": {
"output": "png",
"idempotency_key": "course-lesson-cover-1",
"request": {
"template_id": "tpl_your_copy",
"version": 1,
"data": {
"course_name": "Shooting on Film",
"module": "Module 03 · In the darkroom",
"lesson_number": "08",
"lesson_title": "Load and shoot your first roll of film",
"lesson_summary": "Learn to load a film camera with confidence, meter a scene by eye, and shoot a full roll before the light changes.",
"instructor": "Sam Whitfield",
"duration": "22 minutes",
"level": "Practical · All levels",
"callout": "Bring a loaded camera to the next session.",
"footer": "No experience needed. Cameras available to borrow."
},
"image": {
"width": 1280,
"height": 720
}
}
}
}
}Make this design yours.
Open it in the editor, change anything you like, and keep it with your own templates. Your first 50 credits each month are free.


