yes, imdb.com changed searching, and SubDownloader has not update imdbpy, wait for new version. Anyway, you are able to change your own uploads, just:
0. login to site
1.
http://www.opensubtitles.org/en/search/ ... ovie-26220
2. click to som subtitles (go to subtitle details page)
3. on the page you should see EDIT, and you can change the name for movie.
Tell me, if everything went OK