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Keith I have a 4" refractor that takes lovely images of saturn and jupiter using the ToUcam. Because of the short focal length (1000mm, probably similar to yours) the image is faily small though adding a barlow certainly helps. Unfortunagely I've deleted my image but if I can get a clear night soon I'll take some more and post them for you to see. Mind you mine does track so that is an advantage. What mount is your scope mounted on. Maybe include an image of it.
If you want to go for planetary and lunar images then the ToUcam is the way to go, though with a steady pic mount you will be able to do a lot of things, though it will be a challenge for you. The process you are using is called Afocal imaging and depending on the eyepiece you are using you will be able to achieve quite good magnification if the seeing will allow it. It is harder than prime focus though (ToUcam in place of the eyepiece) as you have alignment and secondary focus issues to deal with.
Given the choice my preference is to go with the ToUcam. I have a frame for attaching a digital camera to the eyepiece for afocal shooting and I find it can be very frustrating at times tyring to get everything lined up just right. Its not impossible though, I guess it depends on the type of attachment you are using.
Hope this jumble has been of help
Cheers
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