Please, don't try remaking the original Zelda using Ages as a basis. Seasons was the first Oracles game and was originally intended to be a remake. It has every single boss, enemy, and weapon in the original games, and the little gimmicks like the little dudes that either give you or steal your money when you enter their houses by burning trees. Small indoor maps are in the underwater areas at the right and bottom borders. I don't want to put you down, but it would be terrible seeing someone go through all the extra effort when they don't have to. You can easily use ZOLE to edit Seasons, but you're missing out on ZOTE and ZOSE. You would have to wait for the ZOHS (ZOLE 6).
In regards to your warping, you have to actually give the map a warp. Fatories made a great tutorial on them here:
http://zeldahacking.ulmb.com/index.php?topic=230.0Chests are the same - you need to give a map a chest value. If the item you wish to give the player does not come out of a chest, you need to follow this tutorial (it works for all items) to make the game not crash when opening the chest:
http://zeldahacking.ulmb.com/index.php?topic=11.0If you need any further help, join us in the IRC: irc.caffie.net #ZOLE