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What I was doing here was just trying to render fur and to give it a realistic look.I was hoping you could give me some help before I attempt anything else........how would I go about putting in the white whiskers.I tried the eraser to render them but it did not work.
I can't really explain what I think you're asking for Vickie, but maybe I can show you my own approach. The image below is part of a Boxer I drew some years ago - the overall size of the full head is about 9" x 12". The forehead hair was drawn by using negative drawing - that is, drawing always from dark into light with your concentration on the white spaces - two diverging pencil lines create a tapering white "hair" between them.
The top of the muzzle and the change from white to dark hair down to the mouth was created the same way.
However the hairs pointing downwards from the top lip over the bottom jaw were incised before drawing on that area began. You can see one of the home-made incising tools I use (and their uses) at http://www.sibleyfineart.com?tips010.htm - I used a finer one than the one shown here. You only get one chance so be careful. You can draw them out but you cannot later recreate them. I usually incise them them very lightly shade over them with a 6B or Progresso - just sufficiently so their position shows. After drawing I Draw a line down to the root of these "whiskers", take it just into the incised groove and quickly fade it to blend the root into the main body. I don't use this tool often - I prefer to draw round these hairs when I can.
I love the plaintive look of your little Boxer and its liquid eyes. Its a great drawing from memory and I'm full of admiration. My head is full of detail but I wouldn't know where to start if I tried to draw from memory - I just don't seem to store overall appearances 
And I really like your use of the white of the eye to attract attention to the eyes.
Before I forget - if you want to draw thick, white facial whiskers, like a cat's, then you can use incising for this - I almost always do - because incising (with a suitable weight of stylus) gives you a groove with perfectly parallel sides. Just gradually release the pressure towards the end and you'll achieve a good taper as well. You'll see an example on the Tips page I mentioned above. I can show you a better example if you think it would help.
MIKE
www.SibleyFineArt.com
www.Starving-Artists.net
gets me hyped up to see all of the little stuff.
