The creator is using a "New Insta Pic" to drive traffic from Instagram to a "BDAY STREAM" (birthday stream) on platforms like Twitch or YouTube .
The stream or post is likely designed for both French and English-speaking audiences, a common tactic to broaden reach. The creator is using a "New Insta Pic"
You can now post carousels with mixed aspect ratios (portrait, square, landscape), which is ideal for "Part 1" photo dumps of a birthday event. The creator is using a "New Insta Pic"