This is our shower curtain.

One with your face printed on it.

Get a picture of yourself taking a shower. Print that onto the shower curtain.

I’m sure there are hentai shower curtains

Plain curtain. Cut a hole about 3 inches in diameter, about 30 inches from the ground. Line the inside of the hole with duct tape.

White one with brown/yellow shading near the bottom to make people think it’s dirty, but it’s not

None whatsoever.

1. Take a normal shower curtain and have at it with a long kitchen knife. The knife cuts won’t let very much water through so it will still be effective as a shower curtain.
2. Take a stray can of red paint and spray be a few two or three long strokes across it.
3. Only attach the rings of one end to the shower rail up to one half at most. Break the remaining rings and leave them on the bathroom floor.

One that is way too short

A semi-translucent one with the blurry silhouette of people making out printed on it.

A shower curtain of a very important, and well known document from your country such as the Charter of Rights and Freedoms from Canada, or Declaration of Independence from the US. If you live in a country that still recognizes the British monarch, you could also put up a photo of the king (very common in government and military buildings)

beads

window blinds