You can try searching for Ski jumping videos in different languages and maybe you'll discover some new competitions.
Skihopping (Norwegian) , Mäkihyppy (Finnish) , Backhoppning (Swedish)
Skispringen (German) , Saut ā ski (French) , Salto con gli sci (Italian)
Skoki narciarskie (Polish) , Smučarski skoki (Slovenian) , Skoky na lyích (Czech)
スキージャンプ, or Sukījanpu (Japanese) , Прыжки с трамплина, or Pryzhki s tramplina (Russian)