Settings/ini tweaks/mod questions

[Petrus Magnus]

I'm new to the game and am having a few "issues" with Dragon Age Origin could a veteran of the series tell me if there are settings/ini tweaks/mods to fix the following?

1) When the camera is zoomed in completely is there a way of controlling it with a mouse without having to hold the mouse right click button down constantly eg. like most other over the shoulder/third person games?

2) Is there a way of zooming the camera a little further out then the default max or alternatively can the fully zoomed out camera be moved little further form the selected character? I keep on having ranged enemy attack me and not being able to see or target them when fully zoomed out despite being able to do so when fully zoomed in.

3) Is there a way to toggle the highlighting of intractable objects on and off instead of having to hold the Tab key down constantly? (repetitive strain injury here we come...)

4) Is there some way of toggling headgear visibility on and off of equipped helmets/hats like is done in many of the cut scenes.

5) Is there a definitive stable lore friendly HD texture replacer mod.