Flickr is one of bigger repositories of images and photos, obtain the images directly from Flickr reduces the process of posts production, simplifying the images selection. As a collateral benefice of Flickr use is the reduction of bandwidth consumption from your website.
In the insertion form of Photoshow
Enter more than a term separated for a comma.
Note: The above is a safe process, the plugin's data and settings won't be lost during the process and will appear again after installed the pro version.
Alternative Installation Method:
The upgrade instructions are exactly the same instructions mentioned above but be sure to make a backup copy of your current files if you have made custom modifications to the files or translations since the files will be overwritten.
After upgrading the plugin remember to clear your browser cache.
The free version must be deleted before installing the pro version.
If you are upgrading the pro version to a new version you should also remove the previously installed version.
This is a safe step, the plugin's data and settings won't be lost during the process.
Another alternative is to overwrite the plugin files through a FTP connection. This is also a safe step.