Assuming that anything is possible here

The main issue not just with iZone but other servers as well is how content is played. What will keep a player to stay is repeatable content, not necessarily a grind but maybe something like 'do this for x amount of days and receive this' for example.

Cut down on the number of shops, like someone else suggested. Seriously, the shops made by players (no offence to Hadi or Jared) would have been a lot better as a sale/temp restock rather than introducing a whole new shop, because like someone said, it's dead content.

Stricter graphic standards, please set them. The server needs to develop a style and stick to it, at first it did with the initial tileset but all sorts have been added and now it's pretty jumbled. Set stricter standards and enforce them.