You can create fake iPhone conversations and then download them as .PNG files. To make it look more genuine, the image keeps the same resolution as a regular iPhone screenshot. And you can also share your creations on Facebook and Twitter. In order to generate some fake iPhone conversations you need to complete the following inside the small editor:
Carrier name Time at which the messages were sent Contact name Write the messages
Here is an example of a fake iPhone conversation that has been created using this tool: