RPGM XP Postality Knights Edition ENHANCED

I have been using the RPG Maker XP Postality Knights Edition ENHANCED and I think that it is visually 10x better than XP and all the 2000's versions of RPG Maker. Does anyone else use the Postality Knights Edition because:

1. The test play has crashed a few times when doing something simple such as reading a message in game. When this happens, I just have to rephrase the sentence and change the words. How can I avoid this?

2. How can I combind tilesets? I want 1 tile from the "Plains" tileset and another from the "Ruins" tileset. How can I combind both to make one big tileset?

3. How do I make timed events such as: Every few in game hours, it turns to night. Or: You have a limited amount of time to complete a quest.

4. Can I make a quest log to look over quests I have already recieved?

5. Where can I get Sprites that look like the ones Postality Knights Edition already has. The same thing goes for battle graphics.

6. There are horizontal walls, but where can I find vertical walls (skinny)

7. How do I disable: Holding down CTRL while walking in game lets you walk on or over anything?

Sorry for all the questions >.<
Please get back, I would greatly appreciate it.