The specific picture that I cropped for the F-15s (which are F-15Es, BTW) is here:
And here's an AF story on the "Elephant Walk" of 70(!) F-15Es, with more pics:
Side note: I've been very fortunate to have done some structural design on both the F-15 and the F/A-18E/F in the past, which is why they're both in my backgrounds. Amazing aircraft!