Template 1 supports:
- Banner Images (150x550), Group 1
- Banner Images (150x550) Group 2
- Square Images (250x250), Group 1
- Square Images (250x250), Group 2
Template 1 examples:
Example 1, the rasa.io newsletter, has one group of two square promotions.
Example 2, the Idea Village newsletter, has one banner promotion and four square promotions.