umm, 36 is ness's event and 49 is the all-star match dx, right? goodness it's been a while...
anyway, for ness's first three opponents, just spamming forward smash should work easily. against cf and falco, spamming forward smash should still work, though sometimes you have to bait them around platforms and such.
in 49, i always found it easiest with jiggly, who could take doc with a back throw and the rest with rest and wall of pain. my main problem with that event was time, because i'd always run out by the time i got to ganon. try to make your kills as quick as possible - pichu and roy's matches always seem to last a little long, so try to get that rest on pichu and get roy off the edge, or bait him into rest with platforms (i remember doing that in the fe pride event match, but it should work here too)
aside from that, you'll probably be best off getting advice from somebody who has actually *done* event matches recently.
DDR: want to pass Paranoia Survivor ~ Religions are just cults with more members. -- The resident SSB:M Captain Falcon user. -- "Let's eat fast so we can eat again!" ~ Ash