Ok well theres this cool place i found near my college that i wanna do a brushing of. but the problem is ive never brushed before

anyone got some starter tutorials. also does anyone think it be better off trying to vector?
ill be working for a semi lq stock probally as i dont have that great of a camera.
i looked on a few of my normal sites but didnt see many brushing tuts.
also i gotta get a tablet.... i went to best buy but they didnt carry them !