Jack's martini while he's eating lunch with Collette.
Towards the end, when Jack and Dale are looking through the album of baby pictures, Dale says, "I want that one," and starts to remove the plastic sheet covering a 5x7-ish portrait with a blue background. Jack slaps his hand and says, "You can't do that." When they turn the page, the photo has changed to a mostly-red full-page sized image.
When Dale and Jack are driving slowly over the bridge, an overhead shot shows a minivan behind them in the slow lane. When the camera shot changes to inside the car, a sedan is behind them.
At approx. 1 hr and 18 mins. Camera shadow on Jared Harris.
At approx. 48 mins. Top of the camera reflected in a nearby car when Scott runs from the hotel after pouring hot coffee on Dale.
Characters are shown supposedly leaving San Francisco for Tiburon, driving on the upper deck of the Bay Bridge, which only leads towards San Francisco. Additionally, the logical path to take to Tiburon would involve the Golden Gate, not the Bay Bridge.