No contamination everything looks just fine. That is just what is left of you krausen. Put the lid on and leave it alone for a few weeks.
On tap: World wide lager, Dopelbock, Apfelwein, American Wheat, DFH 90, Dortmunder export, Skeeterpee, Chinook/Citra ipa.
Waiting on a tap. Maibock, Two Hearted, Pliny the elder, Chimay White, Roggenbrier, DFH60
Hiding in dark corner: Lambic, Flanders red, Oud Bruin, DFH 120(in bottles)