Relatively recently, you would have noticed that on a lot of phpLD based website directories that thumbnails are not working. The fix for this such problem is relatively simple and depending on your template you will need to edit:
You then simply replace the msn girafa or alexa screenshots code with:
Therefore, the complete image tag would look like:
<img alt=”site preview” class=”thumb” src=”http://www.artviper.net/screenshots/screener.php?&url={$link.URL|escape|trim}” />
There are plenty more alternative services out there. This one however, does have good reviews and more information about implementing this service for the phpLD thumbnails problem can be found here.