Hi fi to mic out

I recently came across an old fm/am tuner, cd and casset player, and a set of hi fi speakers, i hooked them up and they all run fairly well, but i was wondering what i would need to attatch an ipod and a dvd player so i could make use of the hifi speakers? what kind of cables would I need

 

Id recommend getting one of these:

These are MP3 Cassette Adapters and they work reasonably well. If your hi-fi's cassette player can have its cassette door open and play a cassette, which im sure it most definately can, then you can use one of these. They'll only set you back 10 bucks or so.

 

thanks very much, let me know if you have any ideas about the dvd player