Your right.. they were resized by vborg I'm sorry
[
EDIT]
so.. bigger screenshots ( in german, sorry) [click thumbs to have fullsize-images]
First: that what your report.php looks like by default:
Within th ACP you'll find the following settings:

first option
en or disable the hack
second option
get entries from the buildin infraction system
what makes your report.php appear like this:

third option
use own custom option to be shown up
what then will look like this:

and the last option is
disable the original textfield
what makes the textfield disappear and your report.php will look like that:
'sid
ps let's all hope vborg has an image resizer build in.. otherwise: Sorry

edit2: no resizer... so let's use thumbnails.. just click on it to see fullsize image