Is there a free vector editor similar to Ai? If so, where? If not so, Anyone want to send me a copy of CS2,3?....

How do you get the solidwhite body with a shirt model type thing as seen here....http://www.threadless.com/submission/129905/The_Bulb_I_got_an_idea_El_bombillo_Tenia_u

I'm so new to all of these programs I am doing all the tutorials and what not ....

i am just begining to understand photoshop again i took a class in High school but, i only got a third of the way through the class before i had to leave.
If anyone has suggestions tips tricks please let me know. or if i should be using another program..