I was unable to open your flickr pic, but the one of the dog looks about right for pushed film. You've lost shadow detail, but did manage to keep the highlights under control. Grain can get excessive with pushed film, that's just the way it is. Remember, you're asking the film to do something it wan't made to do.
As an alternative, you could get some some Fuji 1600 and shoot it at EI800 or Delta /Tmax 3200 and shoot them at EI 1000. That can put you in the same speed ballpark as pushing TX.