help i cant uploud

i want du upload a file! i see only this massage:
Only Flash-Files (SWF) can be uploaded.
The Filetype of your file is:
This Loop already exists!
ID#2381

i want du upload a file! i see only this massage:
Only Flash-Files (SWF) can be uploaded.
The Filetype of your file is:
This Loop already exists!
ID#2381

Check the size of your file! I saw this message when trying to upload flash more than 2 mb... It's against the rules of the z0r.de! Swf should be not more than 2 mb!