Do you ever get those annoying white icons after jailbreaking in your iPhone, iPad or iPod Touch? Don't fret, this is normal on jailbroken devices. The white icons will appear in almost every after new app installed.
To fix this, you can respring your device with SBSettings or clean caches with Springtomize 2 which can be found on Cydia. Rebooting might be able to fix the white icons too.
If the white icons still exist after respring, respring again and your app images should be back to normal.