A Google-ESRI mash-up using Google API:
(Google API DOES NOT support WMS natively, and requires the arcgislink.js library to interpret ESRI server URLs)

A WMS Get Capabilities request:

A WMS Get Map request (Average Land Surface Temperature for December, 2001; layer Name="MOD_LSTD_CLIM_M"):

OpenLayers natively supports WMS and tiles. Below is an OpenLayers example using the Land Surface Temperature WMS: