It doesn't look like you can use the file upload feature at this time because the directory you have specified () doesn't appear to be writable by WordPress. Check the permissions on the directory and for typos.
You can upload files with the extension as long as they are no larger than KB. If you’re an admin you can configure these values under options.
Duplicate File?
The filename '' already exists!
filename '' moved to ''
Confirm or rename:
Your file was uploaded successfully !
Here’s the code to display it:
Image Details:
Name:
Size:
KB
Type: