add condition to image field in theme
add condition to image field in theme

this will prevent some warnings and other ugly output
GawainLynch/bolt,cdowdy/bolt,GawainLynch/bolt,romulo1984/bolt,rossriley/bolt,bolt/bolt,romulo1984/bolt,nikgo/bolt,nikgo/bolt,Intendit/bolt,HonzaMikula/masivnipostele,rossriley/bolt,electrolinux/bolt,lenvanessen/bolt,Raistlfiren/bolt,Intendit/bolt,lenvanessen/bolt,bolt/bolt,cdowdy/bolt,HonzaMikula/masivnipostele,joshuan/bolt,rarila/bolt,romulo1984/bolt,Intendit/bolt,Raistlfiren/bolt,rossriley/bolt,rossriley/bolt,electrolinux/bolt,nikgo/bolt,GawainLynch/bolt,Raistlfiren/bolt,joshuan/bolt,bolt/bolt,GawainLynch/bolt,rarila/bolt,romulo1984/bolt,Intendit/bolt,cdowdy/bolt,CarsonF/bolt,electrolinux/bolt,lenvanessen/bolt,bolt/bolt,CarsonF/bolt,CarsonF/bolt,CarsonF/bolt,electrolinux/bolt,rarila/bolt,cdowdy/bolt,HonzaMikula/masivnipostele,nikgo/bolt,lenvanessen/bolt,joshuan/bolt,HonzaMikula/masivnipostele,joshuan/bolt,Raistlfiren/bolt,rarila/bolt