I think your bbcode is messed up:
http://i.imgur.com/dQgaace.png
---
http://i.imgur.com/iLfV0Tx.png
It's mostly the first part. Try switching your editor mode from WYSIWIG to plaintext and fix the tags and stuff.
http://i.imgur.com/dQgaace.png
---
http://i.imgur.com/iLfV0Tx.png
It's mostly the first part. Try switching your editor mode from WYSIWIG to plaintext and fix the tags and stuff.