Fixing Site Issues in Download Section, Contact Page and Category Section

Hi, My Site name [login to view URL] is a wallpaper website built on wallpaperscript from wallpaperscript.com. 1. in my site i want to force download in the resolution links available below wallpaper inside wallpaper page. a white space comes in the wallpapers above and below if we set it to force downloading, see the attached image for example. this issue to be fixed. when we click in the resolution inside wallpaper page it takes to another tab and then downloads i need it to download in one click in same page. 2. The security code doesnt appear in the contact page. this issue to be fixed. 3. Inside admin section if we create a new category and save it i am getting the below error. "Warning: Creating default object from empty value in /home/newcoolw/public_html/wallbacks/includes/[login to view URL] on line 1301 Warning: Cannot modify header information - headers already sent by (output started at /home/newcoolw/public_html/wallbacks/includes/[login to view URL]) in /home/newcoolw/public_html/wallbacks/includes/[login to view URL] on line 71" This issue to be fixed. all the three above issues to be fixed immediately. Thanks K Bharath [login to view URL]