Lily's huge belly after she ate many hot dogs, is Alyson Hannigan's real-life belly due to her pregnancy.
barneysvideoresume.com leads to an actual internet page featuring Barney's video.
Lily's resume reads: Special Skills and Interests: Competitive Speed Eater (can eat 29 hot dogs in 8 minutes; New York City Speed Eating Champion, Junior Division, 1995), Painting, (Oil, Acrylics), Fluent in Italian, Certified in Teaching English as a Second Language, Proficient in Photoshop, Quark and Java. At the end, she changes the 29 into a 33.
A diploma on the wall in Marshall's office reads "Wesleyan University," his alma mater. In a few previous episodes, a diploma in the same location had read "Ohio Wesleyan University."
Barney finishes Robin's video resume, and claims to field offers from channels 8 and 12. The ny/tri-state VHF channels are 2 (CBS), 4 (NBC), 5 (FOX), 7 (ABC), 9 (local), 11 (local), and 13 (PBS)..