Drywall texture tool - uhhh, this is what I needed after the kid took it out on his wall...:

Template Drywall Repair Tool - Hand Tools, Drywall, Finishes And Surfaces, Concrete Materials And Admixtures - Remodeling Magazine

Rosebud Drywall Texture in my old bedroom

Rosebud drywall texture is common on ceilings throughout the midwest U. Rosebud texture is easily applied using a paint roller or an airless paint sprayer.

its called spanish or mediterranean knockdown, i really like this finish!

An overview of the process of applying Spanish Drag texture to wall surfaces. The spray and hand trowel procedure is outlined, as well as primer and paint application after the textured wall has dried.