Here is a list of 25 free Drupal Themes.
Sorry i cannot copy and paste the image and link to each theme as it would be too tideous, since there are not many threads giving free drupal themes here on NB, this is one of the few.
Link is below
25 beautiful Drupal themes | Mogdesign
The Secret Definitive Guide To Finding Tons of PR4-PR8 Backlinks with ease <== Boost Your Website Rankings Overnight