LEGO Star Wars: The Complete Saga Requests

i really need to complete game so i must buy and unlock evrything then beat all epsiode missions only char i need is obi wans ghost (got anikans and yodas) so where are all the extras theyd make it easier and also to get into the jabba the hutt room just simply buy all the bounty hunters including 4lom and ig88 but tell me where all the extra blocks are in each lvl and ill get em in no more thn 5 mins