Use an unexposed and developed roll of film as a filter. It won't be great. The problem is the camera, this filter is legit. Here's an example of what you might get...
Eclipse 2012 Behind Clouds (Colorado, USA): https://youtu.be/QkbIn0e8_Rs
You can also use a welding shield but trying to buy a permanent one right before an eclipse is impossible. The auto-darkening ones won't really work.
NOTE: The total solar eclipse of 2015 is not visible from North America.
See the answer here: Is it dangerous to take pictures of the sun without any filter?Is it dangerous to take pictures of the sun without any filter?
This can be VERY DANGEROUS for your camera!