Yes you can customzie the templates Search*.gadget.html (SearchMain.gadget.html, SearchGeneral.gadget.html, SearchCategory.gadget.html)
in your admin the "Design" module the tab Template.
Mewsoft Support www.mewsoft.com
Yes simple also, replace the input form field for the quantity by a hidden form field like that:
< input type="hidden" value="1" name="Quantity" id="Quantity" />
you can replace this direct in the Sell template or edit the quantity form in the langauge file "Sell" search for
the QuantityForm variable in that file and modify it to be hidden form fields as above.
Note that you will also need to edit all the input fields for biddings also.
You adjust the time offset in your admin in the General module:
Its because your browser already saved a cookie with your user langauge, to see the changes, try a new computer
or a new browser or delete your browser cookies. Once the user select a language it will be saved by
a cookie on his computer for next visits whatever you change the default language.