Sticky stack.

1. On a blank canvas, select the main section and open the Inspector panel

2. Under Size, set Min Height to 2344px

3. Select the section

4. Open the floating action bar select Apply Grid

5. Select Custom and create a grid with 2 Columns and 4 Rows

6. Select the section again

7. From the floating action bar select Adjust Grid then Edit Grid

8. Set the right column to 0.6fr

9. Set the Min of the rows from top to bottom as follows: 18vw, 48vw, 22vw, 42vw

1. Drag an image from the Add panel into the section

2. Go to Grid Area in the Inspector panel

3. Set the image to column: start 2, end 3; row: start 1, end 2

4. In the top right of the image click the Stretch icon

5. Under Position in the Inspector panel, set the Top margin to -122px (or the size of your header)

6. Drag in 3 more images to the right column, one below the other

7. Go to Grid Area in the Inspector panel

8. Set the 2nd image to column: start 2, end 3; row: start 2, end 3

9. Set the 3rd image to column: start 2, end 3; row: start 3, end 4

10. Set the 4th image to column: start 2, end 3; row: start 4, end 5

11. Stretch each of the images so they fill a grid cell

1. Drag in another image to the section

2. Go to Grid Area in the Inspector panel

3. Set the image to column: start 1, end 2; row: start 1, end 4

4. In the top right of the image click on the Stretch icon

5. Under Position in the Inspector panel, set the Top Margin to -122px (or the size of your header)

6. Go to SCROLL in the Inspector panel

7. Beside Scroll Effect, choose Sticky

1. Drag a title into the section

2. Drag in a paragraph and place it under the title

3. Select them both by pressing on them while holding the Shift key

4. In the floating action bar choose Stack

1. Go to Grid Area in the Inspector panel

2. Set the stack to column: start 1,  end 2 , row: start 2, end 3

3. Go to SCROLL in the Inspector panel

4. Beside Scroll Effect, choose Sticky

5. Set the Top offset to 300px

6. Set the Bottom margin of the stack to 200px

Result: In preview, as you scroll, the left column image will stick to the page until it reaches the bottom of the section and then it will reveal the rest of the image. The right column images scroll up.