This is a bad idea all around. Anabolic steroids are not even close to the magic bullet you desire. You would be better served to cut back or eliminate your T-blocker temporarily rather then add anabolic steroids. You would be risking very serious health issues that could potentially mean you would have to stop HRT if it doesn't kill you outright. (google the following topics: body builders and kidney failure, body builders and stroke, anabolic steroid side effects, paying particular attention to potential cardiovascular disease, liver damage and the potential for irreversible neuropsychiatric toxicity.) Since no physician in their right mind would give you script to do this, I am assuming you will be getting them on the black market, with all the additional risks that entails. If you use injectables, be sure not to reuse needles, from yourself or anyone else. I know, you're too smart for this, right? But I think a valid argument could be made that if you are stupid enough to do this on your own, you would be _______ enough to reuse needles.
I don't know if you realize it, but body builders are probably the most intentionally unhealthy group of people in modern society. Their diet is unhealthy to the max both when they are trying to bulk up and especially before competitions. It is not steroids that makes them look extremely cut, like their skin is pulled tight--it is extreme dehydration and calorie restriction for about a week before any contest. (google body builders and dehydration). On top of an excessively high protein diet this majorly stresses the kidneys and has lead to coma and/or death of competitors over the years. Furthermore, to get the results you see in them, they spend an inordinate amount of time in the gym--4 to 6 hours daily, 7 days/week. Without that time spent lifting, you get all the risks but none of the benefits you perceive.
As others suggested, you would be way better off making lifestyle changes and beginning or increasing a regular fitness practice. If you are not very experienced in this regard, check out the P90X program--it is NOT all hype and has many good qualities, not the least of which is good diet recommendations and a nice variety of workouts. It is much cheaper than a year's membership at a club and requires pretty minimal equipment to get great results. You would be surprised how a good chest and shoulder workout will perk the girls right up! (I am speaking from experience here.) I would also recommend getting some diet advice from a RD, or short of that, checking out the ABS Diet popularized by Men's Health magazine. They published two books on it, one targeting women and the other targeting men. It is a very doable diet that is really about making permanent lifestyle changes. The "diet" is based on good science (unlike almost ALL fad diets) and helps increase your base metabolism, helping to reduce and keep the weight off.
Finally, there just isn't that much you can do about the age-related changes in skin elasticity. It is primarily due to changes in constituent fibers in the extracellular matrix of the dermis. However, I have had several patients that have begun using Biosil (choline-stabilized orthosilicic acid, a silicate compound that promotes health of collagen throughout the body) on the recommendation of their dermatologists to help combat wrinkles. They are very pleased with the results. Also, I hope you are aware that one of the side effects of exogenous estrogen is dry skin. The drier your skin, the more it wrinkles. In my experience most people don't drink enough water and are subclinically dehydrated. Lift a fold of skin on the back of one hand with the other. If the skin does not snap back down IMMEDIATELY, you are partially dehydrated. This will have a huge impact on your overall health as well as the healthy (or not) look and number of wrinkles in your skin.
Just so you know the knowledge base I am drawing on, I have a doctorate in physical therapy and see patients on a direct access basis. That means that while prescribing drugs is out of my scope of practice, I must be aware of drug effects in general, interactions, their effects on exercise, as well as a multitude of systemic diseases that would require a referral back to a physician or in some cases directly to the ER.
Good luck, and I hope this helps.