Partical Editor FixDownload
This should fix the Partical Editor (found in BF2_ModTools\ToolsFL\bin\ParticalEditor.exe) with all the neccessary files to create effects.
It includes alll of the .lvl files from LucasArts\Star Wars Battlefront II\GameData\data\_lvl_pc because it worked in there.
Extract to anywhere that suits you.
Browse to Particle Editor\data\_lvl_pc and launch ParticleEditor.exe.
AceMastermind - Tutorial on GT that provided the basis for the layout
woner11 - The concept that one or more of the .lvl files from data\_lvl_pc were needed
Fingerfood (Me) - Assembly