How to fix the unaligned course in Moodle

After upgrading to 1.9, some of the text are aligned to the right.
To fix that, go to the current theme and open the css.
there's probably a .coursebox css entry somewhere in one of the styles.css files, probably styles_layout.css
and if there's a float entry for it, just delete

How to fix breadcrumb in moodle that say "Array"

Go to the current theme, and open header.html.
Find $navigation and remote the "" around it.