Photo Albums

To change the page bottom bar SUPPLY, RENTAL & SERVICES, navigate from the side menu, select Photo Albums and click Photo Albums

The Photo Albums Screen provides the necessary tools to edit, delete or view existing album.
Various search and filtering options allow you to find the album you want to edit or delete.
To edit the existing albums, move yours mouse to the title of album or click "Edit".
To quick edit (title, slug, date, author, status, etc.) existing album, move yours mouse to the album line and click "Quick Edit".
To delete the existing album, move yours mouse to the album line and click "Trash". (You can restore the album by selecting Trash on top left of the table)

Once you have select the specific album you want to edit, navigate to the bottom Add/Edit Media.
Click Select or Upload Images to add/remove image.

To setup album on the page bottom bar, navigate from the side menu, select Appearance and click Widgets

Select Default Footer on the right side, click and open DT-Photo: SUPPLY, RENTAL & SERVICES.
You may able to set which photo will appear/all in Show Photos from following categories:
To change the size of image, you can adjust under Image max width (px):
To set how many photo will show, you can adjust under How many: