Dear,
1. Please refer to the following document for translation.
http://doc.prestashop.com/display/PS16/Translations
http://doc.prestashop.com/display/PS16/Module+translation
https://www.prestashop.com/en/translations
2. What your mean ? Can you plz give me site access info to check.
3. The Slideshow only display image, non text.
Thanks!
