gAttach! allows you to easily attach files to new messages in Gmail or Google Apps Mail. All the features available in Windows that were once only available to your desktop mail-using friends are now available to all Gmail users.

With gAttach! , you can:

• send emails directly from:
  • Windows Explorer
  • Microsoft Office
  • Adobe Acrobat
  • Windows Live Photo Gallery
  • Internet Explorer
  • Mozilla Firefox
  • .. and many more
• automatically attach files from your PC to a new email without manually uploading each file;
• choose to suppress the annoying standard text provided by Windows (“Your attachments are ready to send..”);
• handle “mailto” email links in web pages.

Get it here