Hi Zivuska
Thanks for contacting us and choosing our product!
About you problem.
1/ please go to mod_jux_new_wall.xml file (modules/mod_jux_news_wall)
line 641 add
<option value="1">1</option>
2/ modules-> Module mod_jux_news_wall ->tab layout options
config "columns On Desktop":1,
config custom css add
.wall-image img{
width:100%
}
Hope help you.