Tim Tebow posed for a photo backstage with cast members of the Broadway music "Rock of Ages" ... and then asked for that photo to be taken off Twitter ... this according to one of the cast members.

Neka Zang posted the pic (see above) on her Twitter account at some point last night -- and even posted a photo of the whole cast Tebowing.

But the photo with Tebow was gone a short time later ... which she explained by tweeting, "Well, Due to Tebow's "image" I was asked to remove the pic of him with us half dressed ladies. He does know we arn't real strippers right?"

She went on to say, "Tweeps. I'm not mad, or judging. Just letting u all know I took the pic down. Ok. Thanks."