I've never liked the platform sandals or whatever they are on this mesh and wasn't too keen on the textures either. So I took HP's mesh edit (which removed the 3D ridge round the waist) and added converse, taken from a mesh by ghanima and scaled down (afterwards, I realised there's a teen version of the H&M outfit with converse lol). Then I took some club crimsyn textures and pasted them on the shorts. The converse textures are taken from a recolour by ghanima. To make enough different colours, I used a couple of pooklet's colour actions to get red, lime, purple and pink shorts.
( More pictures and download link )