Whats the exact image aspect ratio I need on Gig main image?

[de_dos2]

Hello, since Fiverr did many change on the system, I am not sure anymore witch image aspect format will fit the icon best when buyer sees all the icons to choose from.

thank you!

And good Sales!

[wuerz123]

550x370
I use that format

[de_dos2]

thank you!
🙂