OMG Bunglo, thank you sooo much for those links above, there are so many things i didnt even know that are so important, hmm i will do some "tests and practice" and maybe tomorrow i will start my vase, probably from zero
//edit
this is mostly what i did wrong,
http://www.polycount.com/forum/showthread.php?t=66651
is there some script to do it, or just by "hand" ? or maybe some other solution ?