Indeed it has! Here are a few. BMX/Skate ones with the nifty and birds taken with the 300mm and 1.4tc:
ISO 1600
Hooded Merganser
Would have been such a nice picture if only I had the top of the head in! I just turned to catch the end of his "flapping" and took a series of shots, none of which I was fast enough to get the head in and this was the best of the bunch
Not sure...think a Japanese Heron or something?