A truly advanced technique is something that any character can master. I'll describe most of the advanced techniques mentioned in this thread:
http://smashboards.com/showthread.php?t164597

Note: I did not discover any of these techniques. I only made this video because I thought it might be useful to others.

I did everything in the video. The information on each technique was provided via the link posted above.

I can read it fine, but I don't know about some people, so here is a higher quality download link if you want to download it:
http://rapidshare.com/files/126723568/Advanced_Techniques.wmv.html

Songs used:
Led Zeppelin – Houses of the Holy
Led Zeppelin – Ramble On

0:11 – Foxtrot
0:28 – Jump aborted, upward smash
0:56 – Back jump aborted, upward smash
1:26 – Smash Boosting
2:13 – Grab Boosting
2:45 – Reverse grab boosting
3:02 – True Pivot
3:24 – Dash Pivot Cancel Smash
3:43 – Pivot Grab
4:17 – Gliding throw
4:41 – Jump aborted throw
5:30 – Forward strike with an object
5:49 – Short dodge in the air
6:14 – Turn Around B
6:36 – B Reversal
6:58 – Hugging
7:20 – Quick hug
7:56 – End credits

Please take the opportunity to connect with your friends and family and share this video with them if you find it useful.