I use these cheatsheets related  to TSQL and/or SQL server from time to time.

I can not count on my memory, but, it would be nice to have a photographic one.

Enough of my rambling, here is the list:

TSQL Cheatsheet found at Scribd - http://www.scribd.com/doc/399147/TSQL-Cheat-Sheet

SQL Server Cheatsheet found at Scribd - http://www.scribd.com/doc/15235350/SQL-Server-TSQL-Cheatsheet

Dave Pinal or SQL Authority's Cheatsheet - http://www.pinaldave.com/sql-download/SQLServerCheatSheet.pdf 

Did I miss any good ones? I'll update this