The Media Image Head of SEO and Social Darren Sheffield shares the most effective way of using Images within Twitter in our episode of Social Media Tip of the Week.
Generally speaking getting images to display properly relies on uploading them direct from Twitter (however there are management platforms that also work correctly)
The collage effect works in the following setups & dimensions. It’s key to keep the dimensions in line with the setup you’d like. However if you use larger dimension your image will be shrunk to fit. The number of the image also reflects the order you should select them for uploading.
2 images side by side
Image 1 (left side) – Approximately 277 px x 277 px
Image 2 (right side) – Approximately 277 px x 277 px
3 images – 1 large left, 2 on top of each other right