You can share photos amongst your team members by using Photo Albums. You can add as many photo albums as you would like and upload your photos there. You can only upload a photo to a photo album, so make sure you create a photo album before uploading photos
From the app:
Press More > Photos and Videos
If there are no albums, press Add an Album, otherwise click into an existing album
Press Add a Photo and select and upload your photos
From the web:
Login to app.teamlinkt.com and click Connect > Photos from the left menu
If you do not have an album already, click Create Album to create your album
Then click Add Photos.