Hand signs are based on the twelve animals of the chinese zodiac. if you know the names, then great, but if you dont know the names go to saiyan island.com
Rat
Fire:

style phionix flower
snake-ram-monky-boar-horse-tiger

Style dragon flame technieque
snake-dragon-hare-tiger

Style toad fire mouth
snake-tiger-monky-boar-horse-ram +toad oil (works on summonings only)

Water:

prison technique
snake-ram-snake-horse-hare-snake-ram-horse-snake-hare-snake and stick your two hands out

style giant vorrtex
ox-monky-hare-boar-bird-dog-ram-dog-tiger---ox-monky-hare

dragon jutsu