My question is:
Where does this plugin grab the images from, when images are present on the website/link that was entered? If I try and enter my personal website as a link, it brings up images from posts/events/etc... instead of something that would represent my website.
Attachments plugin uses standard link parser provided by Oxwall core. It uses oEmbed protocol to get the preview image, but if your site does not support oEmbed the system parses entire page and grabs all images (from <img /> tags). Then you can choose which image to use by switching them pressing arrows. First image on page will be shown first.
I am wondering if it might be interesting to make the Websites index page view (like a screenshot) as the default grab and if their are any other images, the person entering the link can choose otherwise. Another thing would be to allow no image choice if there are no good ones.
I will consider adding the remove image option for the next plugin update. Concerning your first suggestion - it is complicated ( or even not possible ) to make a screenshot of website index page using PHP.
