I'm not that familiar with Jacksons, but I would think that the weather at night would get colder than you would constantly want your Chamelon living in. I've read on these forums that particular species is montane, and can withstand some cooler temps, but I would think still during the winter...
www.cages.net
click on daily specials
and the first one $35.00 plus shipping comes unassembled
Small wire
18 inches wide
11 inches deep
23 1/4 inches high
There have been many posts on this subject, and the general consensus is that a linear florescent is easiest, healthy, and effective, such as Reptisun 5.0 that come in the various lengths.
http://www.uvguide.co.uk
alot of info there
basically for chams we find the type I mentioned, the...
I dunno if you are still looking, but post what size you need.
I may have powerheads with posts/undeground plates if you would be interested in that, also may have air pumps, I'd have to go through all my old stuff.
If you want that male, lance will probably let you pay for him and send him to you when you are ready;p
don't forget to post pics of your enclosure in that section and people will make sure its set up right. Include basking temps, humidity, size and any other numbers you may have along with...