HQ Background: something along these lines....doesnt have to be this exactly:  http://c257.r57.cf3.rackcdn.com/world_10_temp-1320650639-4eb7878f-620x348.jpg

Council Background: http://www.aworldafilm.com/wp-content/uploads/2011/10/Investing-in-Gold-Coins.jpg

Market Background: http://www.aganiebystra.info/wp-content/uploads/2011/06/stock-market.jpg

Units Background: http://www.fsmod.com/img/img/NICC_EFH.png

Planets Background: http://astro.berkeley.edu/~gmarcy/ups_and_simulation.jpg

Fleet Background: http://i.ytimg.com/vi/zF8pvJUkR2I/0.jpg

Spec Ops Background: http://warfare.ru/0702ey70/update/april2007/sp.jpg

Science Background: http://michaelmay.us/08blog/0508a_franklab.jpg

Relations Background: http://www.fantasticempire.ch/pics/system/content/20080316-185526-ga_logo_col.jpg

just an idea....