STEP 1: Search for the photos your wish to add to the collection

STEP 2: Once the results appear, click Select Photos

STEP 3: Using the checkboxes, select the photos you want to add to the collection

STEP 4: Click Add to Favourites

STEP 5: A row will drop down with a new set of controls.  (At this point you can repeat steps 1 - 4 to add additional photos to your collection.  If you are ready to proceed, click on the My Selection link
 

STEP 6: Click Share Favourites

STEP 7: Make sure the Share to Photographer tab is selected

STEP 8: Click Share