Adding a thumbnail grid gallery with Visual Composer is a great way to get a a set of thumbnail images displaying on a page in an orderly grid which when you click on one of the thumbnails it opens a popup of a larger full scale view of the image.
Add an image gallery module
Choose the grid option and click the + sign
Select Upload in the media library
Click to upload files and locate on your computer
Images will upload to the server
If an image fails try to upload it again
All the images to go in the gallery should be ticked
Image titles should have descriptive keywords
Once all uploaded click Add Images
Click ‘Save’ to confirm the images
Click Preview Page or Publish and then View Page
Click a thumbnail to view the larger image
The title is above the large image
Click to edit a gallery for adjustments
Use + to add images or x to remove them
Cutomise the thumbnail size in pixels
Update and view the page again
Update and view the page again
