Suggest you have a look at these sites to see if they can help you:
gtaivmods.com/
www.moddb.com/mods/gta.../how-to-install-mods-in-gtasa
Download it from gta mods downloads
Various websites. Try typing gta iv mods for ps3,xbox(etc.etc.)
No you can't get a jetpack on GTA IV although with mods on the PC, you could make one.
Mods, or add-ons, are modifications to the game.
i want to know how to get better clothes on gtaiv and mods installed on ps3
There aren't any jet packs in GTA IV. If you're playing this game on the PC, though, there are mods that allow you to use a jet pack.
download it then chuck its contents in a mods folder in minecraft .jar
look what ever game you want and add the word mods to the end on google. e.g oblivion mods, GTA mods
Yes. Optifine can count as a mod. Just place your optifine.jar in the mods folder, and add other mods with it.
you have to get somebody to install a mod chip then you can add mods and put games on the ps2 although, if you bought your ps2 and it was already chipped, then it'll be easier for you to add mods. But downloading them and installing them requires the right programs and requirements...
There are mods that add lego.
Go to youtube and type in SparkIV tutorial , it will show you how to use SparkIV to put cars and other mods into GTAIV . Hope it helped ;)