There are several reasons why images may not be generated for your pages:
No results in the selected image bank.
Your settings are too selective to give results.
You have proxy settings that are not working.
You have encountered an error. In this case please contact us.
Before reporting a problem, we recommend that you manually check the selected image bank to see if your keywords (e.g. your titles) return at least one relevant image (you can go to the website and type in your search manually).
If this is not the case, you should change your settings configuration to be less selective, for example by changing the "Based on" setting or the selected image bank.