Here are a few interesting pictures for a comprehensible input language exchange. If you're not familiar with comprehensible input, check out this video. The pictures are all from Pixabay so feel free to reuse them.
Image by Stefan Keller from Pixabay
Image by Ryan McGuire from Pixabay
Image by Dina Dee from Pixabay
Image by Gellinger from Pixabay
Image by secondfromthesun0 from Pixabay