You can configure SEO settings for Terraclassifieds going to Terraclassifieds -> Settings.
You can change slugs for Terraclassifieds views. For example:
http://yourwebsite.com/classifieds/fashion/woman/
http://yourwebsite.com/classified/fashion/woman/jeans-leo/
- Slug for archive view
- Slug for a single view
NOTE: You need to select Post name in Settings -> Permalinks