One of the things that I really don't like about Oblivion, is the fact you don't have the possibility to place muliple markers on the map at the same time.

I'm speaking about the blue flag you activate with shift+left click, potentially very useful if you want to mark something on the map but practically useless considering you can't place more than one the map, despite the dozens of quests and locations you need to remember.
This really pissed me off, as I'm constantly browsing through the dozens of open quests reported on my log to check if there is something I'm supposed to do in the vicinity of any location I move from/to.

I've long searched for a mod able to fix this problem but I've found nothing - the only similar one, called Multiple Map Markers, allows you to place a marker only on locations where you currently are, but not in a place you are far from.
Therefore, I was considering to start working on a mod like this on my own.

Unfortunatly, I have no modding experience at all and, before starting with this project, I'd like some advice from more experienced users: in particular, if it is possible to create a mod like this (I'm surprised nobody thought of it so far!) and, if so, how to procees (in particular, if there is any tutorial I can refer to).

Even better, if somebody offered to help me I'd be very glad.

N.B: before you suggest, I know there is a mod called Map Markers Overhaul that allows to place new markers, but it is not what I'm looking for as you can put the new marker only at player's position.
I also asked the author to explain to me if (and how) it is possible to edit this mod according to my need, but no reply.