Why do people like to do extra work, just follow what is required... follow this link and go to page 13.
It says exactly:
34. IF I AM SUCCESSFUL IN OBTAINING A VISA THROUGH THE DV PROGRAM, WILL THE U.S. GOVERNMENT ASSIST WITH MY AIRFARE TO THE UNITED STATES, PROVIDE ASSISTANCE TO LOCATE HOUSING AND EMPLOYMENT, PROVIDE HEALTHCARE, OR PROVIDE ANY SUBSIDIES UNTIL I AM FULLY SETTLED?
No, applicants who obtain a DV are not provided any type of assistance such as airfare, housing assistance, or subsidies. If you are selected to apply for a DV, you will be required to provide evidence that you will not become a public charge in the United States before being issued a visa.
This evidence may be in the form of a combination of your personal assets, an
Affidavit of Support (Form I-134) from a relative or friend residing in the United States, and/or an offer of employment from an employer in the United States.
I was asked for the I-134 DURING MY INTERVIEW, also my sponsor included a letter from the bank for the past year transaction and how much they currently hold in the account, a letter of employment that they work and for the duration of employment, along with tax return paper...
They were all taken by the u.s consulate, and are required with I-134
http://travel.state.gov/pdf/1318-DV2012Instructions-ENGL.pdf