Did you follow the proper upgrade instructions? http://codex.wordpress.org/Upgrade_1.2_to_1.5
Yes, in that I copied my files, did the migration, then created a new theme directory, placed my index.php and style.css in there (after doing their edits) and then moved my comments.php and comments-popup.php into the same directory (again after doing the edits).
I’m trying to figure out if there are differences in the way that 1.5 is handling things as I haven’t changed my template or stylesheet in something close to a year.
There are a bunch of changes. In the link above are instructions that take you step by step through the process of changing your style sheet to match the new 1.5 version.
And elsewhere on the WordPress Codex, there are tons of articles to help you layout and design your website if you want to improve it, and help you understand more about how the new version works.
Major main difference: 1.5+ uses a whole “themes” schema, with a separate named folder which includes the style.css stylesheet and an “images” folder.
I’m not sure that your host and Fantastico can really “fix” your install. It’s not just an “upgrade”, it’s a whole other animal….
I followed the instructions in the migration thread on how to modify the various files from 1.2 to 1.5. I’m getting a functional version of my site, it’s just some of the layout issues that are now throwing me.
I’ve also tried moving the header background image into the “images” directory within my scotland theme directory and I’m seeing the same lack of background graphic.
I had hoped to avoid recreating the theme as it took me quite a bit of time to do these modifications to the theme before.
I don’t exactly know what do you mean by the “sidebar not displaying correctly”. When the posts are shorter than the sidebar will always look like as it is now – it’s a well-known bug in the layout you are using (based on the WP “classic” theme, which is based on the ex-WP 1.2 template).
I can see a little portrait in the header section. Should there be anything else?
Your comments are not displaying. Are you sure the call for the comments.php template is correct? If there is an “if_single” statement in the comments template call – delete it!
I decided that the easiest way to handle this was to move to a new theme so I’ve migrated to the Dimension 2k theme and I’m working on modifying it.
Thanks for everyone who offered advice on this.