Using Skyrim and Oblivion assets in IE areas

Hi,

I recently managed to make use of the vast amount of Elder Scrolls game's 3D assets, as explained here:

http://havredest.eklablog.fr/importer-des-modeles-3d-d-autres-jeux-a28207615

I would like to use it to create new areas for BG/IWD Mods.
I hope it is ok to use the assets for modding only.