ROMEO Web
You can manage pictures by clicking on 'more', next to your profile picture, on the left-hand side of the screen » 'Pictures' » 'Picture Management' » open the album with the pictures you'd like to delete » click on 'select' (top-right) » select the photo by clicking on them » click on the 'Delete' button at the bottom.
Note: on smaller screens, the 'more' option is in the bottom-right corner.
ROMEO Android
You can manage pictures by clicking the sidebar menu icon ☰ » 'Manage pictures' » open the picture you'd like to delete » tap trash bin » 'Yes'.
ROMEO iOS
You can manage pictures by clicking the gear-wheel icon » 'Manage pictures' » tap the pic you'd like to delete » Edit (top right) » tap the trash can icon (bottom right) » 'Delete picture permanently'.