do what you do to go up or hold crouch
Genetically
Shift
To stop flying in creative mode double tap space
is a glacier.
Hands dwon George Lopez!!!
Rain and hail
Double tap the jump
don't know yet
Inf flying, unlimited resoruces and godmode.
slightly higher than the walking speed if you have single player commands you can toggle walking and flying speed.
It ends with a hippo flying into the water and playing minecraft!
In a word, no. Flying was not implemented until version 1.8 when Creative Mode was added.