How to delete picture from drop box?

if you want to delete all photos in dropbox, press command A (select all) and right click delete. 

... dropbox.com. Log in. Delete. Installing the Dropbox client is ... folder. Synchronise Dropbox - whereby it deletes the photo on your cloud ... a file in order to delete it sounds completely bonkers to ...  

... to visit the website and delete the photo from your account ...