Actually, as you could see, it is difficult to find good website to appreciate classical Chinese paintings. But nowadays there are so many high-quality books ( with full-color printing, detailed explication and relatively low price) can be found in Chinese bookstores.
For example, a little album (175 pages, 890mm x 1240mm 1/64, just as large as you see from the photo) of paintings of 恽寿平:
( there are two Mu Dan flowers on this picture, one is red and the other is white, with the painter's calligrephy and a poem written (in the middle) by Emperor 乾隆 )
The strokes and the characters can be seen very clearly, though the photo is a bit dim.
