any ideas for a 50th birthday cake, its for a man and they want funny but clean as there will be children there.

Thanks,

How about "Like a fine wine, you're getting better with time" ??

Here are a bunch of sites you may be able to find a few ideas at. . .

http://www.great-quotes.com/birthday_quotes.htm

http://birthday.lifetips.com/cat/55357/birthday-sayings-quotes/

http://birthday.lifetips.com/subcat/55372/birthday-sayings-quotes/cakes-candles/

http://en.thinkexist.com/quotes/with/keyword/birthday_cake/

http://www.c-boom.com/t-shirts_50th_birthday.htm

The last one has some really colorful ones!
Good Luck and take a pic for us!