Drupal 7.x

I am trying to use the Ed Classified module having upgraded to drupal 7. Module installs ok but when I try to view existing content (from using previous version with drupal 6) I get an error message see below..

Warning: Missing argument 2 for theme_ed_classified_taxonomy(), called in /home/jlfottv/public_html/ssyl.co.uk/includes/theme.inc on line 894 and defined in theme_ed_classified_taxonomy() (line 75 of /home/jlfottv/public_html/ssyl.co.uk/modules/ed_classified/ed_classified_themefuncs.inc).

I am trying to create a map that, when the user clicks, it uses the location information to calculate whether solar water heating is economically feasible using solar radiation information that is also dependent on location. Is this something that can be done using OpenLayers? If so could someone point me in the right direction because I am relatively new to Drupal.

I have changed the image in my Antonelli subtheme of Bartik. I can see the new image on my website. But when I go to my theme settings and look at the preview, it is still the old custom image. I am on localhost. Do I need to flush a cache or do something else to fix this?

I uploaded a few versions of a logo picture and now it seems the Bartik theme is loading these images someplace. When I load a new image, it automatically is putting "_2" or "_3" after the name. Where can I go to find these other images and delete them?

I'd like to add a block to my page where I have an image of the category I'm browsing.

I've tried doing it with contextual filters in Views, but it selects all my categories, when I only want one.
Also tried the description on the taxonomy pages, but these just won't display...

Is there anybody who can tell me what settings are best for this?
or what method I should be using?

I recently upgraded the calendar module to the latest Drupal 7 version and after doing this, the "Edit skin" option was no longer available on the blocks.

I checked the configuration and found that the Skinr and Skinr UI modules were turned off. I turned them on but it still has the same problem. All blocks have also lost most of the formatting (position, title etc). I assume this has something to do with the Skinr module but cannot figure out how to turn this back on...

Thanks in advance for any help on this!

KR