A city-wide celebration of the art of photography, the annual Flash Forward Festival spreads its wings this year with gallery exhibits all over the area featuring works from international and New England photographers, as well as several special presentations. Highlights include a talk and book signing with award-winning Boston photojournalist Bill Brett, who showcases his latest work, Boston: Irish, at the Paramount Center’s Jackie Liebergott Black Box Theatre (559 Washington St.) on April 27; a discussion on drone photography and its implications at Central Bistro (101 Arch St.) on April 29; a grand outdoor exhibit of the work of local photographers on the Rose Kennedy Greenway; and a closing night party on the Greenway, May 3 from noon–4 p.m. For a complete line-up of exhibits and events, visit flashforwardfestival.com.