To create an agenda from the agenda tab, click on "Agenda" on the bottom of your screen. Then push the '+' sign in the top right.
Enter a title for your new agenda and then push the 'Done' button in the top right.
Your new agenda is now created. You can add media and content to it at any time. To add media right away, click on the Media Library tab.
Tap the "+" sign on the image you would like to add, select add to agenda
Select the Agenda you have just created
Your media has been added and waits for you in the Agenda folder.