Game Developer needed to edit textures (DDS) in Guitar Hero III

We're looking for a developer/modder experienced with PC game asset modification to make visual edits to Guitar Hero III: Legends of Rock using GHTCP. Scope of work: Edit and replace stage background textures (DDS files) Edit surrounding environment elements (crowd areas, stage props, set pieces) Redesign the note-hit button visual effect Match original texture resolution, mipmaps, and compression format (DXT) so nothing breaks in-game Test changes in-game across a few songs/venues before final delivery Requirements: Experience with GHTCP or similar game texture-editing toolchains Comfortable with DDS file editing (Photoshop/GIMP + DDS plugin, or similar) Past experience modding Guitar Hero (or similar rhythm/PC games) is a strong plus Able to share before/after previews during the process Deliverables: Final modified game files, ready to drop into an existing GH3 install Before/after reference images Brief install/replacement notes