Please download and install the following packs below. If you continue to have issues, please email info@blacksmith3d.com with the error message you get, which version and the conversion(s) you are trying and the dates of the pack(s) you are using. It may be that you need to re-download the older TT packs (since it sounds like you had downloaded some newer ones). Below are links to the latest 6.3 and the previous 6.2 versions along with the B3D texture transformer packs.

http://blacksmith3d.com/files/Blacksmith3D-v6.3.1.0-Mac.zip
http://blacksmith3d.com/files/Blacksmith3D-v6.3.1.0-Win.zip

http://blacksmith3d.com/files/Blacksmith3D-v6.2.17.0-Mac.zip
http://blacksmith3d.com/files/Blacksmith3D-v6.2.17.0-Win.zip

http://blacksmith3d.com/files/B3D_M4_To_Dusk.zip
http://blacksmith3d.com/files/B3D_M4_To_Gen2Male.zip
http://blacksmith3d.com/files/B3D_V4_To_Dawn.zip
http://blacksmith3d.com/files/B3D_V4_To_Gen2Female.zip
http://blacksmith3d.com/files/B3D_V4_To_Roxie.zip