Flying Ant

Hook: #18-22 emerger

Thread: black 70 denier

Thorax: black foam over peacock black Ice Dub

Abdomen: black foam folded over wing

Wing: poly yarn tied spent

Head: thread

I'll be trying out a parachute version as well in the hopes that it'll float well and be somewhat more visible for use in faster water. 

Davie McPhail's Black Cricket

Materials (listed in order of use)

Hook: #12 dry fly
Thread: black 70 denier
Back: black craft foam
Butt: black dubbing
Tail: 2 black goose biots
Thorax: black craft foam, wrapped
Rear Legs: black goose biots
Wing Case: black craft foam
Front Legs/Hackle: black dry fly hackle
Antennae: fibers from starling feather or black pheasant tail
Head: black dubbin

For a detailed instructional video, go to the source:  

Foam n CDC Beetle

Hook: #12 Dry

Thread: Black 70 denier

Body: Dark dun CDC tied in by tip and wrapped forward

Wing: Craft foam disc

Thorax: "Peacock Black" Ice Dub

Foam Head Hoppers

Foam head made with two over-lapping foam discs. 

Hook: 6-10 streamer or 3x dry

Thread: rusty brown 8/0

Head: green craft foam

Body: olive hare's ear dubbed thick and buggy

Under-wing: elk hair

Legs: 4 pheasant tail fibers knotted to make the leg joint

Over-wing: turkey quill lacquered with Tough as Nails

Whip finish behind foam head

More traditional foam head created by tying the foam to the shank and folding it back on itself. This go around I left the butts of the pheasant tail exposed to mimic some forelegs.