I had previously hoped that VSeWSS would be the way to easily create solutions in VS, but, as one of my colleagues pointed out, using VSeWSS is indeed an exercise in frustration. At the moment, WSP files have to be created the hard way, I’m afraid.
Fortunately, Eric Kraus has a handy step-by-step guide to do this:
(There are also some other ways to skin the cat:
VS.Net SharePoint Solution Template: http://blog.thekid.me.uk/archive/2007/02/13/vs-net-sharepoint-solution-template-on-codeplex.aspx
Dan and Ted’s Web Part Solution Template: http://daniellarson.spaces.live.com/blog/cns!D3543C5837291E93!1027.entry )