The the guild thige, is really the Guide thing, which you've said you read already. A few posts back.
Anyway, on to your problem.
The name of location sets doesn't matter. Call it what you want. It does help if it helps you remember what the location set actually means, so it should have some kind of meaning to you.
It sounds like you have the grind spot down right. A grindspot is really a waypoint. Effectively a point in the map where the bot will run to. It has a little special meaning because at a grind spot, the bot will look for mobs to kill. It looks for mobs within the Grind Range you specify. Generally this will default to 40, and this will usually be a good range value, except if you are in a tricky pathing area and you don't want the bot to travel too far off the paths you have defined (i.e. there are cliffs about!). If you want to see the path you've defined, go to the Debug Tab and click Nav Mapper.
It would be a rare day I would set higher than 40.
The second value is the Pull Range. As a Hunter, this will generally be 35. It means that the bot will use the Ranged skills to pull mobs which are within 35 metres of the toon.
You may want to set the "Kill Mobs in Path to Grindspots". This can be found on the Config page. It will mean that the bot will search for mobs when walking between grind spots (waypoints), and if any mobs are within the Grind Range of the spot (waypoint) you are walking to (or from I can't really remember), it will pick them of too.
You should also set your View Angle (Config page), to 90º if it is not already. This is how far the bot looks to both left and right, so 90º will really be a half circle in front of you. (i.e. 180º is a full circle around you).
If this is still not working, on the Config page, there is a DEBUG checkbox. Tick it, and get some log messages, which you can post here (the file is in the pwnagebot folder and called lotro_log.txt) and we may be able to see something else that can help. We only need relevant parts of the log, not necessarily the whole thing
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