Since the time of the pyramids the triangle has been a powerful image of dynamism and enthusiasm. Here are some album covers with triangles all up on em.
The Bewitched Hands-Birds & Drums
Prince Rama-Land Of The Apocalypse Transcended
Truman Peyote-New Wife, New Life
Peaking Lights-Creatures Of Day, Creatures At Night
Townes Van Zandt-Tecumseh Valley
The Lonely Forest-Turn Off This Song and Go Outside
There’s a small blue triangle right over Tom’s head…
White Fence-Lillian (Won’t You Play The Drums)
Enjoy…bye bye, ciao, au revoir
Soul Donuts 
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