Screenshot please.
Screenshots and/or steps to reproduce?
Pretty sure that's intended.
Wow. Your Java is outdated by several YEARS. Update it now.
This has been fixed in the 1.7.3 update.
Do you have a legit account?
It's possible. Do CMD + C while copying something, then while in Minecraft, do CTRL + V.
Do you have a legit Minecraft account?
There's monsters in the screenshot.
Probably a unintentional BUD switch. Redo the design.
Yeah, it doesn't. This is not a glich.
Top-right
Block of Mooshroom? Mushroom?
It's been fixed for 1.7.3
They fixed this in 1.7.3, which is apparently what you're using. Tell the truth, what were you using?
That's a feature, not a bug.
Change your Mipmap settings in Options > Video Settings > Mipmap Levels
Seems to have been fixed in 1.7.3.
Fixed in 1.7.3
Confirmed for official 1.9 release