Grid with images - advice

Hi,
I want to create a simple grid for images - see screen shot attached, any advice or helpful tutorials?
thanks,
Helen


Here is my site Read-Only: LINK
(how to share your site Read-Only link)

@Hedy
Is this your intended result? (See screenshot)

Hi
Thanks for the reply - the one on the left to be portrait

@Hedy
You mean like this?

Follow this guide: