Using Version: 0.4.11 r5663
When submitting a new image but you specify an invalid url the error message that comes up upon submitting the form is wrong.
How to replicate:
1) Login to drake cms
2) Go to the site created by default by drake cms
3) Go to the Gallery
4) Click on the Butterflies collection
5) Click on "Submit a image to this category"
6) Fill in the fields with the following data:
Category: any category you want
7) Click on submit
The error message that will appear is "Please submit a valid url or an upload file". This error message needs to be modified to "Please submit a valid url or upload a file".