well i was bored so i just looked up a few vids of some good jumpers/dunkers/blockers/ on youtube, and here are a couple vids for you guys to enjoy.
Stromile Swift- YouTube - Top 100 Stromile Swift dunks and blocks
Josh Smith- YouTube - Josh Smith - Hawk In Flight
My favorite- YouTube - Tyrus Thomas mix
Posters- YouTube - Poster Dunks
Dwight Howard- YouTube - Dwight Howard Mix
Hakeem- YouTube - Hakeem "The Dream" Olajuwons Greatest Hits
Gooden on Yao- YouTube - Drew Gooden Massive Poster Dunk On Yao Ming! MUST SEE!
Not sure but i think this was the dunk of the month in february- YouTube - Andres Nocioni throws down the monster jam!
Lebron- YouTube - LeBron James owns!