Schuylkill River Trail

I've been doing a lot of rides on the SRT, usually starting at the Betzwood trailhead, and would like to ride all the way into Philadelphia.  Unfortunately, I keep getting stuck around Manayunk.  It's not that I'm getting too tired, the problem is that I loose the trail and don't know the area well enough to keep going and find the trail again or at least some bicycle friendly roads.  What happens is I get dumped off on Nixon Street, and then take a left of Shawmont and then a right to put me on Umbria St.  Where the trail seems to continue at Nixon Street doesn't look road bike friendly, so I can't take that, but Umbria St. looses its bike lane (and then any type of shoulder) within a mile or so.  I can't imagine that the best/safest way to navigate through Manayunk is through those tight streets with all those parked cars.  So what's the prefered method of getting from Nixon St. to Kelly Drive?

Also, while we are discussing Manayunk, where is "The Wall?"  While I was busy getting lost in Manayunk over the weekend I decided to do a little exploring.  Ended up going up some decent hills, but I don't think I found the infamous Wall.