Power Stone 2 and Bleem problems

[-Cypher-]

Ive been trying to burn games for a while now , and i just cant them to work . I download Bleem from Lime Wire Extracked everything , But when i go to burn it on discjuggler it finishes burning it and everything , but when i put it in my dreamcast it comes wup as a audeo file what the hell is that about ? And do i need a boot disc if i do witch is a good one ? and were can i download it from ?And the same thing happens with Power stone 2 . Is there anyway i can edit it to make the 2 games to self boot ? Im so confused . I know im a noob . And whats a good program to burn the games ? I use discjuggler .