BoneHill4BGTv195.rar is the Secret of Bone Hill for Baldur's Gate Trilogy 
(BGT).

SoBHv202Full.rar is the Secret of Bone Hill for Baldur's Gate Trilogy-WeiDU 
(BGT-WeiDU) and BG1Tutu.  It will only work with Worldmap v5.

SoBHv202SpanishUpdate.rar is the Spanish translation of the Secret of 
Bone Hill.  Just extract this file to the game's folder 
(BGII - SoA or whatever). Let it overwrite the TP2 file and it will also 
add the Spanish folder under the BoneHill\Language folder.

SoBHv210Full.rar is the Secret of Bone Hill for Baldur's Gate 
Trilogy-WeiDU (BGT-WeiDU) and BG1Tutu.  It will only work with Worldmap 
v6.