Thanks

I also thought it was a problem related with the upload, but I did as you say and I manually got the url of a preview of one template
http://nidodelocio.glwb.info/serendipity/templates/blue/preview.png .
However, on the manage styles menu, I don't get that image nor the "save" image at the ...

Hi! I'm new to Serendipity, so I decided to give it a trial shot in a free host (globalweb) before using a dedicated server. I tried supersized.org, but it only worked for me until I faced the many limitations.

The point is that after FTP uploading Serendipity, I managed to install it and all, but ...