Here's a crappy idea of stove made out of a cigar tube. The aim was obviously not efficiency but easy-DIY and - of course - high-class-ness :
- 1 cigare tube with holes
- 1 tin can with 4 cuts along its entire length (so we can adjust the height of the tube)
Here's few pics :
A quick video... I almost died because the cap was leaking :

