i was mucking about with stuff and i found a few strange entities for a misc_spawner
i mean the the hell can you spawn a pineapple for???
lol try putting spawnitem as pineapple
sadly it doesnt have a image 
EDIT:Pinneapple turned out to be a nade dnt ask me y!
gonna post a full list of extra items tht work
|Working Map Objects | Image?|
|…Pineapple…No…|
|…Landmine…No…|
|…|
|…|
|…|
|…|
