Step 1:
Step 1 Open the image using “Preview” Click on it ONCE and select File>Open With>Preview
Step 2:
Step 2 Click “Select”> Instant Alpha
Step 3:
Step 3 Click on the Green Area and HOLD The green will turn brown as you slowly move your mouse
Step 4:
Step 4 Release the mouse Press “Delete” to remove the green area Repeat until all green is gone
Step 5:
Step 5 SAVE to your desktop Open Keynote Find your background image Drag it into Keynote Resize to cover slide
Step 6:
Step 6 Open your group’s picture in Preview Select just your group and copy (Command-C)
Step 7:
Step 7 Paste (Command- V)your group’s image over your new background Adjust it to fit SAVE
Step 8:
Step 8 In Keynote, click File>Export Select Image from the menu Adjust quality to High Click Next See where it is saving it… Documents/Desktop