im considering you already have winterboard and installous so get
infindock
infiniboard
gpsphone
download blackra1n here: http://blackra1n.com/ and follow the instructions. after jailbreaking your device start blackra1n and install cydia (or rock, its better and faster!) When you go onto Cydia the first few times, it will do some downloading and then go back to the homepage, but after that, Cydia is fine. Also, Cydia says it needs an update on one of the first few times. It is very important you update or download these updates or Cydia may crash.
You have to jailbreak your device, install Winterboard from Cydia, and then download some themes from Cydia or the web.
Yes, you need to jailbreak your device, then download "gameboy4iphone" from cydia. Then after that, download a Pokemon crystal ROM from the internet and ssh it into your device to play, or download the ROM directly to your device from a cydia source. Google search if you don't understand some terms. Hope this helps. gb game source: http://iromrepo.com/Cydia/gameboy
It's legal. There are just some illegal things you can do in Cydia.
Not if your careful with the jailbreak apps that you download. Some of the apps from Cydia can harm your iPod touch and possibly block your iTunes account.
Yes, you can still download apps and music on itunes OR You could go onto Cydia and download some stuff (Installous=Free apps and dTunes=Free music
Yes, many Cydia apps or packages are free. You can simply download them from Cydia. Others must be purchased. To pay for Cydia apps you will need either a PayPal or Amazon account.
some living things around prde rock are anoimals and plants
One can download modern rock ballads from any music selling store or app. Also you may go online for such ballads. This will help you get your modern rock ballads.
Some good sources for Cydia are: apt.123locker.com/ Cydia.xsellize.com/ Cydia.hackulo.us/ repo.insanelyi.com/ Sinfuliphonerepo.com/ Note: For the URL sources: Cydia.xsellize.com/ and Cydia.hackulo.us/ the C in Cydia has to be a capital in order to work. It will NOT work if it is not capitalized.
Because there copyright and hacked
Yes and no, because most things are free but some aren't