Swapping Title / Description for Posts and Label: Blogger hacks which function

I found two blogger hacks and same are appended below. Mind it these hacks function without giving any error message for the post.

Add Different Meta Tags To Different Blogger Posts

http://blog.archit.in/2008/08/add-different-meta-tags-to-different.html

Swap Blogger Title Hack - Error Free!

http://blog.archit.in/2008/05/swap-blogger-title-error-free.html#comment-form

One can also check out this URL which discusses different method for Swapping Title / Description for Posts and Label
http://fragmentedblog.blogspot.com/2007/12/swapping-title-description-for-posts.html