Hey Roberta,
lots of flies will work on bream.
small clousers, crazy charlies,baited breath, jelly prawns, small baitfish profiles like surf candys etc and even wooly buggers.
all the above are a sinking fly, i normally use an intermediate line in the estuary unless im surface fishing.
surface flys small poppers work a treat i have a couple of tiny crease flys that really work well.
Flathead you cant go past the chartreuse and white clouser. bit of lead to get it down and to make it puff up a bit of sand.
its a great change to get them on the fly. just watch those exxy lines round the racks.
i mostly fish a 4wt for bream pending location! but flatties because i use heavier flys i use a 7/8 wt on a sinking line.
Col