If any file can not be deleted, then you can use the program LockHunter, which removes the active connections of other applications to that file, which allow you to change or delete file.
Submitting tutorials to Dreevoo.com is simple and can be done real quick. Here is a tutorial to show you how easy it really is to submit a software related tutorial, plus you get paid.
Awesome guys at Visual.ly just released a a free online tool that can visualize Google Analytics stats into a great looking report in a form of infographic in a matter of basically only a click.
If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.
Use the Open Browser Window behavior to open a page in new window. We will insert an image in a document, than we will set a value to the image to open new window by clicking on inserted image.