Here some cheats I have found for GTA:SA for PC that I have made into a neat little document with categories.
*EDIT* Damn attachements didnt support the file so ill just posti t here.
Supremehacks.com
Grand Theft Auto: San Andreas PC Cheats
Weapon Cheats
LXGIWYL = Weapon Set 1, Thug's Tools
KJKSZPJ = Weapon Set 2, Professional Tools
UZUMYMW = Weapon Set 3, Nutter Tools
WANRLTW = Infinite Ammo, No Reload
OUIQDMW = Full Weapon Aiming While Driving
STATS
NCSGDAG = Hitman In All Weapon Stats
OGXSDAG = Max Respect
EHIBXQS = Max Sex Appeal
VQIMAHA = Max All Vehicle Skill Stats
BAGUVIX = Infinite Health
CVWKXAM = Infinite Oxygen
JYSDSOD = Max Muscle
BTCDBCB = Fat
KVGYZQK = Skinny
HESOYAM = Health, Armor, $250k
KANGAROO = Mega Jump
IAVENJQ = Mega Punch
AEDUWNV = Never Get Hungry
YOURSELF
AEZAKMI = Never Wanted
LJSPQK = Six Star Wanted Level
AFPHULTL = Ninja Theme
BEKKNQV = Slut Magnet
BAGOWPG = Have a bounty on your head
PGGOMOY = Perfect Handling
XICWMD = Invisible car
OSRBLHH = Increase Wanted Level Two Stars
ASNAEB = Clear Wanted Level
SZCMAWO = Suicide
SPAWNER
OHDUDE = Spawn Hunter
AKJJYGLC = Spawn Quad
AMOMHRER = Spawn Tanker Truck
EEGCYXT = Spawn Dozer
URKQSRK = Spawn Stunt Plane
AGBDLCID = Spawn Monster
ROCKETMAN - Have Jetpack
AIYPWZQP = Have Parachute
JUMPJET = Spawn Hydra
KGGGDKP = Spawn Vortex Hovercraft
AIWPRTON = Spawn Rhino
CQZIJMB = Spawn Bloodring Banger
JQNTDMH = Spawn Rancher
PDNEJOH = Spawn Racecar
VPJTQWV = Spawn Racecar
AQTBCODX = Spawn Romero
KRIJEBR = Spawn Stretch
UBHYZHQ = Spawn Trashmaster
RZHSUEW = Spawn Caddy
WEATHER
XJVSNAJ = Always Midnight
OFVIAC = Orange Sky 21:00
MGHXYRM = Thunderstorm
CWJXUOC = Sandstorm
AFZLLQLL = Sunny Weather
ICIKPYH = Very Sunny Weather
ALNSFMZO = Overcast Weather
AUIFRVQS = Rainy Weather
CFVFGMJ = Foggy Weather
OTHER PEOPLE
YLTEICZ = Aggressive Drivers
AJLOJYQY = Peds Attack Each Other, Get Golf Club
FOOOXFT = Everyone is armed
MROEMZH = Gang Members Everywhere
BIFBUZZ = Gangs Control the Streets
IOJUFZN = Riot Mode
SJMAHPE = Recruit Anyone (9mm)
BMTPWHR = Country Vehicles and Peds, Get Born 2 Truck Outfit
ZSOXFSQ = Recruit Anyone (Rockets)
BLUESUEDESHOES = Elvis is Everywhere
BGLUAWML = Peds Attack You With Weapons, Rocket Launcher
OTHER
YSOHNUL = Faster Clock
PPGWJHT = Faster Gameplay
LIYOAAY = Slower Gameplay
CPKTNWT = Blow Up All Cars
ZEIIVG = All green lights
LLQPFBN = Pink traffic
IOWDLAC = Black traffic
AFSNMSMW = Boats fly
CIKGCGX = Beach Party
BGKGTJH = Traffic is Cheap Cars
GUSNHDE = Traffic is Fast Cars
RIPAZHA = Cars Fly
JHJOECW = Huge Bunny Hop
JCNRUAD = Smash n' Boom
COXEFGU = All Cars Have Nitro
BSXSGGC = Cars Float Away When Hit
PRIEBJ = Funhouse Theme
THGLOJ = Reduced Traffic
FVTMNBZ = Traffic is Country Vehicles
VKYPQCF = Taxis Have Nitrous, L3 Bunny Hop

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Nice Thx .. i am doubt it works .. ill check it laterz

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It does work, i use them every day. Just type them in normally while playing.

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Nice release man, remind me of the fun GTA SA. nice work.