just a quesrion...

[WNx Makka99]

do i need to download anything more than a modelling tool to get started?

[Zuke`]

well, if you want to ever code your models, I suggest downloading:

http://files.filefront.com/Battlefield+2+Mod+Tools+Beta+2/;4617736;/fileinfo.html

For other tweaks, you don't NEED an editor, but you can use the same tool. This also does mapping and effect editing.